255 lines
6.9 KiB
LLVM
255 lines
6.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -constraint-elimination -S %s | FileCheck %s
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declare void @use(i1)
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define void @test_1_variable_constraint(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: @test_1_variable_constraint(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp ule i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[BB2:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[T_1:%.*]] = icmp ule i32 [[X]], [[Y]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[C_2:%.*]] = icmp ule i32 [[X]], 10
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; CHECK-NEXT: call void @use(i1 [[C_2]])
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; CHECK-NEXT: [[C_3:%.*]] = icmp ule i32 [[Y]], [[X]]
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; CHECK-NEXT: call void @use(i1 [[C_3]])
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; CHECK-NEXT: [[C_4:%.*]] = icmp ule i32 10, [[X]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: ret void
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; CHECK: bb2:
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; CHECK-NEXT: [[T_2:%.*]] = icmp ule i32 [[Y]], [[X]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[F_1:%.*]] = icmp ule i32 [[X]], [[Y]]
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; CHECK-NEXT: call void @use(i1 false)
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; CHECK-NEXT: [[C_5:%.*]] = icmp ule i32 [[X]], 10
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[C_6:%.*]] = icmp ule i32 10, [[X]]
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; CHECK-NEXT: call void @use(i1 [[C_6]])
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; CHECK-NEXT: ret void
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;
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entry:
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%c.1 = icmp ule i32 %x, %y
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br i1 %c.1, label %bb1, label %bb2
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bb1:
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%t.1 = icmp ule i32 %x, %y
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call void @use(i1 %t.1)
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%c.2 = icmp ule i32 %x, 10
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call void @use(i1 %c.2)
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%c.3 = icmp ule i32 %y, %x
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call void @use(i1 %c.3)
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%c.4 = icmp ule i32 10, %x
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call void @use(i1 %c.4)
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ret void
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bb2:
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%t.2 = icmp ule i32 %y, %x
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call void @use(i1 %t.2)
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%f.1 = icmp ule i32 %x, %y
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call void @use(i1 %f.1)
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%c.5 = icmp ule i32 %x, 10
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call void @use(i1 %c.5)
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%c.6 = icmp ule i32 10, %x
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call void @use(i1 %c.6)
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ret void
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}
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define void @test_1_constant_constraint(i32 %x) {
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; CHECK-LABEL: @test_1_constant_constraint(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp ule i32 [[X:%.*]], 10
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; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[BB2:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[T_1:%.*]] = icmp ule i32 [[X]], 10
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[T_2:%.*]] = icmp ule i32 [[X]], 11
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[C_2:%.*]] = icmp ule i32 [[X]], 9
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; CHECK-NEXT: call void @use(i1 [[C_2]])
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; CHECK-NEXT: [[C_4:%.*]] = icmp ule i32 10, [[X]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: ret void
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; CHECK: bb2:
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; CHECK-NEXT: [[T_3:%.*]] = icmp ule i32 10, [[X]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[F_1:%.*]] = icmp ule i32 [[X]], 9
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; CHECK-NEXT: call void @use(i1 false)
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; CHECK-NEXT: [[F_1_1:%.*]] = icmp ule i32 [[X]], 10
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; CHECK-NEXT: call void @use(i1 false)
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; CHECK-NEXT: [[C_5:%.*]] = icmp ule i32 [[X]], 11
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[C_6:%.*]] = icmp ule i32 12, [[X]]
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; CHECK-NEXT: call void @use(i1 [[C_6]])
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; CHECK-NEXT: ret void
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;
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entry:
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%c.1 = icmp ule i32 %x, 10
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br i1 %c.1, label %bb1, label %bb2
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bb1:
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%t.1 = icmp ule i32 %x, 10
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call void @use(i1 %t.1)
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%t.2 = icmp ule i32 %x, 11
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call void @use(i1 %t.2)
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%c.2 = icmp ule i32 %x, 9
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call void @use(i1 %c.2)
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%c.4 = icmp ule i32 10, %x
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call void @use(i1 %c.4)
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ret void
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bb2:
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%t.3 = icmp ule i32 10, %x
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call void @use(i1 %t.3)
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%f.1 = icmp ule i32 %x, 9
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call void @use(i1 %f.1)
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%f.1.1 = icmp ule i32 %x, 10
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call void @use(i1 %f.1.1)
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%c.5 = icmp ule i32 %x, 11
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call void @use(i1 %c.5)
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%c.6 = icmp ule i32 12, %x
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call void @use(i1 %c.6)
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ret void
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}
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define i32 @test1(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp ule i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[EXIT:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[C_2:%.*]] = icmp ule i32 [[Y]], [[Z:%.*]]
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; CHECK-NEXT: br i1 [[C_2]], label [[BB2:%.*]], label [[EXIT]]
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; CHECK: bb2:
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; CHECK-NEXT: [[C_3:%.*]] = icmp ule i32 [[X]], [[Z]]
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; CHECK-NEXT: br i1 true, label [[BB3:%.*]], label [[EXIT]]
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; CHECK: bb3:
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; CHECK-NEXT: ret i32 10
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; CHECK: exit:
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; CHECK-NEXT: ret i32 20
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;
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entry:
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%c.1 = icmp ule i32 %x, %y
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br i1 %c.1, label %bb1, label %exit
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bb1:
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%c.2 = icmp ule i32 %y, %z
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br i1 %c.2, label %bb2, label %exit
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bb2:
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%c.3 = icmp ule i32 %x, %z
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br i1 %c.3, label %bb3, label %exit
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bb3:
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ret i32 10
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exit:
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ret i32 20
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}
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define i32 @test2(i32 %x, i32 %y, i32 %z, i32 %a) {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp ule i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[EXIT:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[C_2:%.*]] = icmp ule i32 [[Y]], [[Z:%.*]]
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; CHECK-NEXT: br i1 [[C_2]], label [[BB2:%.*]], label [[EXIT]]
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; CHECK: bb2:
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; CHECK-NEXT: [[C_3:%.*]] = icmp ule i32 [[X]], [[A:%.*]]
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; CHECK-NEXT: br i1 [[C_3]], label [[BB3:%.*]], label [[EXIT]]
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; CHECK: bb3:
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; CHECK-NEXT: ret i32 10
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; CHECK: exit:
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; CHECK-NEXT: ret i32 20
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;
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entry:
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%c.1 = icmp ule i32 %x, %y
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br i1 %c.1, label %bb1, label %exit
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bb1:
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%c.2 = icmp ule i32 %y, %z
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br i1 %c.2, label %bb2, label %exit
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bb2:
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%c.3 = icmp ule i32 %x, %a
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br i1 %c.3, label %bb3, label %exit
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bb3:
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ret i32 10
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exit:
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ret i32 20
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}
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define i32 @test3(i32 %x, i32 %y) {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp ule i32 [[X:%.*]], 10
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; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[EXIT:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[C_2:%.*]] = icmp ule i32 [[Y:%.*]], 20
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; CHECK-NEXT: br i1 [[C_2]], label [[BB2:%.*]], label [[EXIT]]
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; CHECK: bb2:
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; CHECK-NEXT: ret i32 10
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; CHECK: exit:
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; CHECK-NEXT: ret i32 20
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;
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entry:
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%c.1 = icmp ule i32 %x, 10
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br i1 %c.1, label %bb1, label %exit
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bb1:
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%c.2 = icmp ule i32 %y, 20
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br i1 %c.2, label %bb2, label %exit
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bb2:
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ret i32 10
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exit:
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ret i32 20
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}
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define i32 @test4(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp ule i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[EXIT:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[C_2:%.*]] = icmp ule i32 [[Y]], [[Z:%.*]]
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; CHECK-NEXT: br i1 [[C_2]], label [[BB2:%.*]], label [[EXIT]]
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; CHECK: bb2:
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; CHECK-NEXT: [[T_1:%.*]] = icmp ule i32 [[X]], [[Z]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[U_1:%.*]] = icmp eq i32 [[X]], [[Z]]
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; CHECK-NEXT: call void @use(i1 [[U_1]])
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; CHECK-NEXT: ret i32 10
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; CHECK: exit:
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; CHECK-NEXT: ret i32 20
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;
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entry:
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%c.1 = icmp ule i32 %x, %y
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br i1 %c.1, label %bb1, label %exit
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bb1:
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%c.2 = icmp ule i32 %y, %z
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br i1 %c.2, label %bb2, label %exit
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bb2:
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%t.1 = icmp ule i32 %x, %z
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call void @use(i1 %t.1)
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%u.1 = icmp eq i32 %x, %z
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call void @use(i1 %u.1)
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ret i32 10
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exit:
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ret i32 20
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}
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