41 lines
995 B
LLVM
41 lines
995 B
LLVM
; RUN: llc < %s -march=nvptx64 -mcpu=sm_35 -disable-cgp | FileCheck %s
|
|
; Disable CGP which also folds branches, so that only BranchFolding is under
|
|
; the spotlight.
|
|
|
|
target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
|
|
target triple = "nvptx64-nvidia-cuda"
|
|
|
|
define void @foo(i32 %x, float* %output) {
|
|
; CHECK-LABEL: .visible .func foo(
|
|
; CHECK-NOT: bra.uni
|
|
; CHECK-NOT: LBB0_
|
|
%1 = icmp eq i32 %x, 1
|
|
br i1 %1, label %then, label %else
|
|
|
|
then:
|
|
br label %merge
|
|
|
|
else:
|
|
br label %merge
|
|
|
|
merge:
|
|
store float 2.0, float* %output
|
|
ret void
|
|
}
|
|
|
|
; PR24299. no crash
|
|
define ptx_kernel void @hoge() #0 {
|
|
; CHECK-LABEL: .visible .entry hoge(
|
|
bb:
|
|
br i1 undef, label %bb1, label %bb4
|
|
|
|
bb1: ; preds = %bb1, %bb
|
|
%tmp = phi i64 [ %tmp2, %bb1 ], [ undef, %bb ]
|
|
%tmp2 = add nsw i64 %tmp, 1
|
|
%tmp3 = icmp sle i64 %tmp, 0
|
|
br i1 %tmp3, label %bb1, label %bb4
|
|
|
|
bb4: ; preds = %bb4, %bb1, %bb
|
|
br label %bb4
|
|
}
|