197 lines
7.3 KiB
LLVM
197 lines
7.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -indvars -S -indvars-predicate-loops=0 < %s | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
|
|
|
define i32 @remove_loop(i32 %size) {
|
|
; CHECK-LABEL: @remove_loop(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[SIZE:%.*]], 31
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 [[SIZE]], 31
|
|
; CHECK-NEXT: [[UMIN:%.*]] = select i1 [[TMP1]], i32 [[SIZE]], i32 31
|
|
; CHECK-NEXT: [[TMP2:%.*]] = sub i32 [[TMP0]], [[UMIN]]
|
|
; CHECK-NEXT: [[TMP3:%.*]] = lshr i32 [[TMP2]], 5
|
|
; CHECK-NEXT: [[TMP4:%.*]] = shl nuw i32 [[TMP3]], 5
|
|
; CHECK-NEXT: br label [[WHILE_COND:%.*]]
|
|
; CHECK: while.cond:
|
|
; CHECK-NEXT: [[SIZE_ADDR_0:%.*]] = phi i32 [ [[SIZE]], [[ENTRY:%.*]] ], [ [[SUB:%.*]], [[WHILE_COND]] ]
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[SIZE_ADDR_0]], 31
|
|
; CHECK-NEXT: [[SUB]] = add i32 [[SIZE_ADDR_0]], -32
|
|
; CHECK-NEXT: br i1 [[CMP]], label [[WHILE_COND]], label [[WHILE_END:%.*]]
|
|
; CHECK: while.end:
|
|
; CHECK-NEXT: [[TMP5:%.*]] = sub i32 [[SIZE]], [[TMP4]]
|
|
; CHECK-NEXT: ret i32 [[TMP5]]
|
|
;
|
|
entry:
|
|
br label %while.cond
|
|
|
|
while.cond: ; preds = %while.cond, %entry
|
|
%size.addr.0 = phi i32 [ %size, %entry ], [ %sub, %while.cond ]
|
|
%cmp = icmp ugt i32 %size.addr.0, 31
|
|
%sub = add i32 %size.addr.0, -32
|
|
br i1 %cmp, label %while.cond, label %while.end
|
|
|
|
while.end: ; preds = %while.cond
|
|
%size.lcssa = phi i32 [ %size.addr.0, %while.cond ]
|
|
ret i32 %size.lcssa
|
|
}
|
|
|
|
define i32 @used_loop(i32 %size) minsize {
|
|
; CHECK-LABEL: @used_loop(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br label [[WHILE_COND:%.*]]
|
|
; CHECK: while.cond:
|
|
; CHECK-NEXT: [[SIZE_ADDR_0:%.*]] = phi i32 [ [[SIZE:%.*]], [[ENTRY:%.*]] ], [ [[SUB:%.*]], [[WHILE_COND]] ]
|
|
; CHECK-NEXT: tail call void @call()
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[SIZE_ADDR_0]], 31
|
|
; CHECK-NEXT: [[SUB]] = add i32 [[SIZE_ADDR_0]], -32
|
|
; CHECK-NEXT: br i1 [[CMP]], label [[WHILE_COND]], label [[WHILE_END:%.*]]
|
|
; CHECK: while.end:
|
|
; CHECK-NEXT: [[SIZE_LCSSA:%.*]] = phi i32 [ [[SIZE_ADDR_0]], [[WHILE_COND]] ]
|
|
; CHECK-NEXT: ret i32 [[SIZE_LCSSA]]
|
|
;
|
|
entry:
|
|
br label %while.cond
|
|
|
|
while.cond: ; preds = %while.cond, %entry
|
|
%size.addr.0 = phi i32 [ %size, %entry ], [ %sub, %while.cond ]
|
|
tail call void @call()
|
|
%cmp = icmp ugt i32 %size.addr.0, 31
|
|
%sub = add i32 %size.addr.0, -32
|
|
br i1 %cmp, label %while.cond, label %while.end
|
|
|
|
while.end: ; preds = %while.cond
|
|
%size.lcssa = phi i32 [ %size.addr.0, %while.cond ]
|
|
ret i32 %size.lcssa
|
|
}
|
|
|
|
|
|
define i32 @test_signed_while(i32 %S) {
|
|
; CHECK-LABEL: @test_signed_while(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br label [[WHILE_COND:%.*]]
|
|
; CHECK: while.cond:
|
|
; CHECK-NEXT: [[S_ADDR_0:%.*]] = phi i32 [ [[S:%.*]], [[ENTRY:%.*]] ], [ [[SUB:%.*]], [[WHILE_BODY:%.*]] ]
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[S_ADDR_0]], 31
|
|
; CHECK-NEXT: br i1 [[CMP]], label [[WHILE_BODY]], label [[WHILE_END:%.*]]
|
|
; CHECK: while.body:
|
|
; CHECK-NEXT: [[SUB]] = add nsw i32 [[S_ADDR_0]], -32
|
|
; CHECK-NEXT: tail call void @call()
|
|
; CHECK-NEXT: br label [[WHILE_COND]]
|
|
; CHECK: while.end:
|
|
; CHECK-NEXT: [[S_ADDR_0_LCSSA:%.*]] = phi i32 [ [[S_ADDR_0]], [[WHILE_COND]] ]
|
|
; CHECK-NEXT: ret i32 [[S_ADDR_0_LCSSA]]
|
|
;
|
|
entry:
|
|
br label %while.cond
|
|
|
|
while.cond: ; preds = %while.body, %entry
|
|
%S.addr.0 = phi i32 [ %S, %entry ], [ %sub, %while.body ]
|
|
%cmp = icmp sgt i32 %S.addr.0, 31
|
|
br i1 %cmp, label %while.body, label %while.end
|
|
|
|
while.body: ; preds = %while.cond
|
|
%sub = add nsw i32 %S.addr.0, -32
|
|
tail call void @call()
|
|
br label %while.cond
|
|
|
|
while.end: ; preds = %while.cond
|
|
%S.addr.0.lcssa = phi i32 [ %S.addr.0, %while.cond ]
|
|
ret i32 %S.addr.0.lcssa
|
|
}
|
|
|
|
define i32 @test_signed_do(i32 %S) {
|
|
; CHECK-LABEL: @test_signed_do(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br label [[DO_BODY:%.*]]
|
|
; CHECK: do.body:
|
|
; CHECK-NEXT: [[S_ADDR_0:%.*]] = phi i32 [ [[S:%.*]], [[ENTRY:%.*]] ], [ [[SUB:%.*]], [[DO_BODY]] ]
|
|
; CHECK-NEXT: [[SUB]] = add nsw i32 [[S_ADDR_0]], -16
|
|
; CHECK-NEXT: tail call void @call()
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[SUB]], 15
|
|
; CHECK-NEXT: br i1 [[CMP]], label [[DO_BODY]], label [[DO_END:%.*]]
|
|
; CHECK: do.end:
|
|
; CHECK-NEXT: [[SUB_LCSSA:%.*]] = phi i32 [ [[SUB]], [[DO_BODY]] ]
|
|
; CHECK-NEXT: ret i32 [[SUB_LCSSA]]
|
|
;
|
|
entry:
|
|
br label %do.body
|
|
|
|
do.body: ; preds = %do.body, %entry
|
|
%S.addr.0 = phi i32 [ %S, %entry ], [ %sub, %do.body ]
|
|
%sub = add nsw i32 %S.addr.0, -16
|
|
tail call void @call()
|
|
%cmp = icmp sgt i32 %sub, 15
|
|
br i1 %cmp, label %do.body, label %do.end
|
|
|
|
do.end: ; preds = %do.body
|
|
%sub.lcssa = phi i32 [ %sub, %do.body ]
|
|
ret i32 %sub.lcssa
|
|
}
|
|
|
|
define i32 @test_unsigned_while(i32 %S) {
|
|
; CHECK-LABEL: @test_unsigned_while(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br label [[WHILE_COND:%.*]]
|
|
; CHECK: while.cond:
|
|
; CHECK-NEXT: [[S_ADDR_0:%.*]] = phi i32 [ [[S:%.*]], [[ENTRY:%.*]] ], [ [[SUB:%.*]], [[WHILE_BODY:%.*]] ]
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[S_ADDR_0]], 15
|
|
; CHECK-NEXT: br i1 [[CMP]], label [[WHILE_BODY]], label [[WHILE_END:%.*]]
|
|
; CHECK: while.body:
|
|
; CHECK-NEXT: [[SUB]] = add i32 [[S_ADDR_0]], -16
|
|
; CHECK-NEXT: tail call void @call()
|
|
; CHECK-NEXT: br label [[WHILE_COND]]
|
|
; CHECK: while.end:
|
|
; CHECK-NEXT: [[S_ADDR_0_LCSSA:%.*]] = phi i32 [ [[S_ADDR_0]], [[WHILE_COND]] ]
|
|
; CHECK-NEXT: ret i32 [[S_ADDR_0_LCSSA]]
|
|
;
|
|
entry:
|
|
br label %while.cond
|
|
|
|
while.cond: ; preds = %while.body, %entry
|
|
%S.addr.0 = phi i32 [ %S, %entry ], [ %sub, %while.body ]
|
|
%cmp = icmp ugt i32 %S.addr.0, 15
|
|
br i1 %cmp, label %while.body, label %while.end
|
|
|
|
while.body: ; preds = %while.cond
|
|
%sub = add i32 %S.addr.0, -16
|
|
tail call void @call()
|
|
br label %while.cond
|
|
|
|
while.end: ; preds = %while.cond
|
|
%S.addr.0.lcssa = phi i32 [ %S.addr.0, %while.cond ]
|
|
ret i32 %S.addr.0.lcssa
|
|
}
|
|
|
|
define i32 @test_unsigned_do(i32 %S) {
|
|
; CHECK-LABEL: @test_unsigned_do(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br label [[DO_BODY:%.*]]
|
|
; CHECK: do.body:
|
|
; CHECK-NEXT: [[S_ADDR_0:%.*]] = phi i32 [ [[S:%.*]], [[ENTRY:%.*]] ], [ [[SUB:%.*]], [[DO_BODY]] ]
|
|
; CHECK-NEXT: [[SUB]] = add i32 [[S_ADDR_0]], -16
|
|
; CHECK-NEXT: tail call void @call()
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[SUB]], 15
|
|
; CHECK-NEXT: br i1 [[CMP]], label [[DO_BODY]], label [[DO_END:%.*]]
|
|
; CHECK: do.end:
|
|
; CHECK-NEXT: [[SUB_LCSSA:%.*]] = phi i32 [ [[SUB]], [[DO_BODY]] ]
|
|
; CHECK-NEXT: ret i32 [[SUB_LCSSA]]
|
|
;
|
|
entry:
|
|
br label %do.body
|
|
|
|
do.body: ; preds = %do.body, %entry
|
|
%S.addr.0 = phi i32 [ %S, %entry ], [ %sub, %do.body ]
|
|
%sub = add i32 %S.addr.0, -16
|
|
tail call void @call()
|
|
%cmp = icmp ugt i32 %sub, 15
|
|
br i1 %cmp, label %do.body, label %do.end
|
|
|
|
do.end: ; preds = %do.body
|
|
%sub.lcssa = phi i32 [ %sub, %do.body ]
|
|
ret i32 %sub.lcssa
|
|
}
|
|
|
|
|
|
declare void @call()
|