mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 11:13:28 +01:00
99 lines
2.6 KiB
LLVM
99 lines
2.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -S -passes=spec-phis < %s | FileCheck %s
|
|
; Make sure convergent and noduplicate calls aren't duplicated.
|
|
|
|
declare i32 @llvm.convergent(i32) #0
|
|
declare i32 @llvm.noduplicate(i32) #1
|
|
declare i32 @llvm.regular(i32) #2
|
|
|
|
define i32 @test_convergent(i1 %flag, i32 %arg) #0 {
|
|
; CHECK-LABEL: @test_convergent(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br i1 [[FLAG:%.*]], label [[A:%.*]], label [[B:%.*]]
|
|
; CHECK: a:
|
|
; CHECK-NEXT: br label [[EXIT:%.*]]
|
|
; CHECK: b:
|
|
; CHECK-NEXT: br label [[EXIT]]
|
|
; CHECK: exit:
|
|
; CHECK-NEXT: [[P:%.*]] = phi i32 [ 7, [[A]] ], [ 11, [[B]] ]
|
|
; CHECK-NEXT: [[SUM:%.*]] = call i32 @llvm.convergent(i32 [[P]])
|
|
; CHECK-NEXT: ret i32 [[SUM]]
|
|
;
|
|
entry:
|
|
br i1 %flag, label %a, label %b
|
|
|
|
a:
|
|
br label %exit
|
|
|
|
b:
|
|
br label %exit
|
|
|
|
exit:
|
|
%p = phi i32 [ 7, %a ], [ 11, %b ]
|
|
%sum = call i32 @llvm.convergent(i32 %p)
|
|
ret i32 %sum
|
|
}
|
|
|
|
define i32 @test_noduplicate(i1 %flag, i32 %arg) #1 {
|
|
; CHECK-LABEL: @test_noduplicate(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br i1 [[FLAG:%.*]], label [[A:%.*]], label [[B:%.*]]
|
|
; CHECK: a:
|
|
; CHECK-NEXT: br label [[EXIT:%.*]]
|
|
; CHECK: b:
|
|
; CHECK-NEXT: br label [[EXIT]]
|
|
; CHECK: exit:
|
|
; CHECK-NEXT: [[P:%.*]] = phi i32 [ 7, [[A]] ], [ 11, [[B]] ]
|
|
; CHECK-NEXT: [[SUM:%.*]] = call i32 @llvm.noduplicate(i32 [[P]])
|
|
; CHECK-NEXT: ret i32 [[SUM]]
|
|
;
|
|
entry:
|
|
br i1 %flag, label %a, label %b
|
|
|
|
a:
|
|
br label %exit
|
|
|
|
b:
|
|
br label %exit
|
|
|
|
exit:
|
|
%p = phi i32 [ 7, %a ], [ 11, %b ]
|
|
%sum = call i32 @llvm.noduplicate(i32 %p)
|
|
ret i32 %sum
|
|
}
|
|
|
|
; Otherwise identical function which should be transformed.
|
|
define i32 @test_reference(i1 %flag, i32 %arg) #2 {
|
|
; CHECK-LABEL: @test_reference(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br i1 [[FLAG:%.*]], label [[A:%.*]], label [[B:%.*]]
|
|
; CHECK: a:
|
|
; CHECK-NEXT: [[SUM_0:%.*]] = call i32 @llvm.regular(i32 7)
|
|
; CHECK-NEXT: br label [[EXIT:%.*]]
|
|
; CHECK: b:
|
|
; CHECK-NEXT: [[SUM_1:%.*]] = call i32 @llvm.regular(i32 11)
|
|
; CHECK-NEXT: br label [[EXIT]]
|
|
; CHECK: exit:
|
|
; CHECK-NEXT: [[SUM_PHI:%.*]] = phi i32 [ [[SUM_0]], [[A]] ], [ [[SUM_1]], [[B]] ]
|
|
; CHECK-NEXT: ret i32 [[SUM_PHI]]
|
|
;
|
|
entry:
|
|
br i1 %flag, label %a, label %b
|
|
|
|
a:
|
|
br label %exit
|
|
|
|
b:
|
|
br label %exit
|
|
|
|
exit:
|
|
%p = phi i32 [ 7, %a ], [ 11, %b ]
|
|
%sum = call i32 @llvm.regular(i32 %p)
|
|
ret i32 %sum
|
|
}
|
|
|
|
|
|
attributes #0 = { nounwind readnone convergent speculatable }
|
|
attributes #1 = { nounwind readnone noduplicate speculatable }
|
|
attributes #2 = { nounwind readnone speculatable }
|