llvm-project/llvm/test/Transforms/InstCombine/sink_instruction.ll

20 lines
521 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
; RUN: %prcontext div 1 | grep ret
;; This tests that the instructions in the entry blocks are sunk into each
;; arm of the 'if'.
define i32 @foo(i1 %C, i32 %A, i32 %B) {
entry:
%tmp.2 = sdiv i32 %A, %B ; <i32> [#uses=1]
%tmp.9 = add i32 %B, %A ; <i32> [#uses=1]
br i1 %C, label %then, label %endif
then: ; preds = %entry
ret i32 %tmp.9
endif: ; preds = %entry
ret i32 %tmp.2
}