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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3283 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
745 B
LLVM
35 lines
745 B
LLVM
; This test ensures that "strength reduction" of conditional expressions are
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; working. Basically this boils down to converting setlt,gt,le,ge instructions
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; into equivalent setne,eq instructions.
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;
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; RUN: if as < %s | opt -instcombine | dis | grep -v seteq | grep -v setne | grep set
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; RUN: then exit 1
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; RUN: else exit 0
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; RUN: fi
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bool "test1"(uint %A) {
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%B = setge uint %A, 1 ; setne %A, 0
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ret bool %B
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}
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bool "test2"(uint %A) {
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%B = setgt uint %A, 0 ; setne %A, 0
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ret bool %B
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}
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bool "test3"(sbyte %A) {
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%B = setge sbyte %A, -127 ; setne %A, -128
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ret bool %B
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}
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bool %test4(sbyte %A) {
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%B = setle sbyte %A, 126 ; setne %A, 127
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ret bool %B
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}
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bool %test5(sbyte %A) {
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%B = setlt sbyte %A, 127 ; setne %A, 127
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ret bool %B
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}
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