File: speculative-execution-divergent-target.ll

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llvm-toolchain-20 1%3A20.1.8-1~exp1
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; Checks that speculative-execution only runs on divergent targets, if you pass
; -spec-exec-only-if-divergent-target.

; RUN: opt < %s -S -mtriple=nvptx-nvidia-cuda -passes=speculative-execution | \
; RUN:   FileCheck --check-prefix=ON %s
; RUN: opt < %s -S -mtriple=nvptx-nvidia-cuda -passes=speculative-execution \
; RUN:   -spec-exec-only-if-divergent-target | \
; RUN:   FileCheck --check-prefix=ON %s
; RUN: opt < %s -S -mtriple=nvptx-nvidia-cuda \
; RUN:   -passes='speculative-execution<only-if-divergent-target>' | \
; RUN:   FileCheck --check-prefix=ON %s
; RUN: opt < %s -S -passes=speculative-execution -spec-exec-only-if-divergent-target | \
; RUN:   FileCheck --check-prefix=OFF %s
; RUN: opt < %s -S -passes='speculative-execution<only-if-divergent-target>' | \
; RUN:   FileCheck --check-prefix=OFF %s

; Hoist in if-then pattern.
define void @f() {
; ON: %x = add i32 2, 3
; ON: br i1 true
; OFF: br i1 true
; OFF: %x = add i32 2, 3
  br i1 true, label %a, label %b
a:
  %x = add i32 2, 3
  br label %b
b:
  ret void
}