370 lines
6.6 KiB
LLVM
370 lines
6.6 KiB
LLVM
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; Test conditional sibling calls.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare void @fun_a()
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declare void @fun_b()
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declare void @fun_c(i32)
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@var = global i32 1;
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; Check a conditional sibling call.
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define void @f1(i32 %val1, i32 %val2) {
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; CHECK-LABEL: f1:
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; CHECK: cr %r2, %r3
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; CHECK: jgl fun_a@PLT
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; CHECK: br %r14
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%cond = icmp slt i32 %val1, %val2;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call when there are two possibilities.
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define void @f2(i32 %val1, i32 %val2) {
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; CHECK-LABEL: f2:
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; CHECK: cr %r2, %r3
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; CHECK: jghe fun_b@PLT
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; CHECK: jg fun_a@PLT
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%cond = icmp slt i32 %val1, %val2;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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tail call void @fun_b()
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ret void
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}
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; Check a conditional sibling call with an argument - not supported.
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define void @f3(i32 %val1, i32 %val2) {
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; CHECK-LABEL: f3:
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; CHECK: crjhe %r2, %r3
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; CHECK: jg fun_c@PLT
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; CHECK: br %r14
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%cond = icmp slt i32 %val1, %val2;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_c(i32 1)
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - unsigned compare.
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define void @f4(i32 %val1, i32 %val2) {
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; CHECK-LABEL: f4:
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; CHECK: clr %r2, %r3
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; CHECK: jgl fun_a@PLT
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; CHECK: br %r14
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%cond = icmp ult i32 %val1, %val2;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - 64-bit compare.
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define void @f5(i64 %val1, i64 %val2) {
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; CHECK-LABEL: f5:
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; CHECK: cgr %r2, %r3
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; CHECK: jgl fun_a@PLT
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; CHECK: br %r14
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%cond = icmp slt i64 %val1, %val2;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - unsigned 64-bit compare.
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define void @f6(i64 %val1, i64 %val2) {
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; CHECK-LABEL: f6:
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; CHECK: clgr %r2, %r3
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; CHECK: jgl fun_a@PLT
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; CHECK: br %r14
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%cond = icmp ult i64 %val1, %val2;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - less-equal compare.
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define void @f7(i32 %val1, i32 %val2) {
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; CHECK-LABEL: f7:
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; CHECK: cr %r2, %r3
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; CHECK: jgle fun_a@PLT
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; CHECK: br %r14
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%cond = icmp sle i32 %val1, %val2;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - high compare.
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define void @f8(i32 %val1, i32 %val2) {
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; CHECK-LABEL: f8:
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; CHECK: cr %r2, %r3
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; CHECK: jgh fun_a@PLT
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; CHECK: br %r14
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%cond = icmp sgt i32 %val1, %val2;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - high-equal compare.
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define void @f9(i32 %val1, i32 %val2) {
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; CHECK-LABEL: f9:
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; CHECK: cr %r2, %r3
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; CHECK: jghe fun_a@PLT
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; CHECK: br %r14
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%cond = icmp sge i32 %val1, %val2;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - equal compare.
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define void @f10(i32 %val1, i32 %val2) {
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; CHECK-LABEL: f10:
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; CHECK: cr %r2, %r3
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; CHECK: jge fun_a@PLT
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; CHECK: br %r14
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%cond = icmp eq i32 %val1, %val2;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - unequal compare.
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define void @f11(i32 %val1, i32 %val2) {
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; CHECK-LABEL: f11:
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; CHECK: cr %r2, %r3
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; CHECK: jglh fun_a@PLT
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; CHECK: br %r14
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%cond = icmp ne i32 %val1, %val2;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - immediate slt.
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define void @f12(i32 %val1) {
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; CHECK-LABEL: f12:
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; CHECK: chi %r2, 4
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; CHECK: jgle fun_a@PLT
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; CHECK: br %r14
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%cond = icmp slt i32 %val1, 5;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - immediate sle.
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define void @f13(i32 %val1) {
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; CHECK-LABEL: f13:
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; CHECK: chi %r2, 5
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; CHECK: jgle fun_a@PLT
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; CHECK: br %r14
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%cond = icmp sle i32 %val1, 5;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - immediate sgt.
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define void @f14(i32 %val1) {
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; CHECK-LABEL: f14:
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; CHECK: chi %r2, 6
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; CHECK: jghe fun_a@PLT
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; CHECK: br %r14
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%cond = icmp sgt i32 %val1, 5;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - immediate sge.
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define void @f15(i32 %val1) {
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; CHECK-LABEL: f15:
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; CHECK: chi %r2, 5
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; CHECK: jghe fun_a@PLT
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; CHECK: br %r14
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%cond = icmp sge i32 %val1, 5;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - immediate eq.
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define void @f16(i32 %val1) {
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; CHECK-LABEL: f16:
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; CHECK: chi %r2, 5
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; CHECK: jge fun_a@PLT
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; CHECK: br %r14
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%cond = icmp eq i32 %val1, 5;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - immediate ne.
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define void @f17(i32 %val1) {
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; CHECK-LABEL: f17:
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; CHECK: chi %r2, 5
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; CHECK: jglh fun_a@PLT
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; CHECK: br %r14
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%cond = icmp ne i32 %val1, 5;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - immediate ult.
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define void @f18(i32 %val1) {
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; CHECK-LABEL: f18:
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; CHECK: clfi %r2, 4
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; CHECK: jgle fun_a@PLT
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; CHECK: br %r14
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%cond = icmp ult i32 %val1, 5;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - immediate 64-bit slt.
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define void @f19(i64 %val1) {
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; CHECK-LABEL: f19:
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; CHECK: cghi %r2, 4
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; CHECK: jgle fun_a@PLT
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; CHECK: br %r14
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%cond = icmp slt i64 %val1, 5;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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; Check a conditional sibling call - immediate 64-bit ult.
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define void @f20(i64 %val1) {
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; CHECK-LABEL: f20:
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; CHECK: clgfi %r2, 4
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; CHECK: jgle fun_a@PLT
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; CHECK: br %r14
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%cond = icmp ult i64 %val1, 5;
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br i1 %cond, label %a, label %b;
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a:
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tail call void @fun_a()
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ret void
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b:
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store i32 1, i32 *@var;
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ret void
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}
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