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91cf96359e
r243250 appeared to break clang/test/Analysis/dead-store.c on one of the build slaves, but I couldn't reproduce this failure locally. Probably a false positive as I saw this test was broken by r243246 or r243247 too but passed later without people fixing anything. llvm-svn: 243253
32 lines
883 B
LLVM
32 lines
883 B
LLVM
; RUN: opt < %s -cost-model -analyze | FileCheck %s
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; The cost model does not have any target information so it just makes boring
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; assumptions.
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; -- No triple in this module --
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; CHECK-LABEL: function 'no_info'
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; CHECK: cost of 1 {{.*}} add
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; CHECK: cost of 1 {{.*}} ret
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define i32 @no_info(i32 %arg) {
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%e = add i32 %arg, %arg
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ret i32 %e
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}
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define i8 @addressing_mode_reg_reg(i8* %a, i32 %b) {
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; CHECK-LABEL: function 'addressing_mode_reg_reg'
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%p = getelementptr i8, i8* %a, i32 %b ; NoTTI accepts reg+reg addressing.
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; CHECK: cost of 0 {{.*}} getelementptr
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%v = load i8, i8* %p
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ret i8 %v
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}
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; CHECK-LABEL: function 'addressing_mode_scaled_reg'
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define i32 @addressing_mode_scaled_reg(i32* %a, i32 %b) {
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; NoTTI rejects reg+scale*reg addressing.
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%p = getelementptr i32, i32* %a, i32 %b
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; CHECK: cost of 1 {{.*}} getelementptr
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%v = load i32, i32* %p
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ret i32 %v
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}
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