derek.holloway
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46 lines
1.0 KiB
LLVM
46 lines
1.0 KiB
LLVM
; RUN: llc -mtriple=hexagon -O2 < %s | FileCheck %s
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; Test coverage for HexagonConstPropagation: exercise floating-point
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; constant propagation paths by using FP comparisons and operations
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; with known constants.
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; CHECK-LABEL: test_fp_const_fold:
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; CHECK: jumpr r31
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define i32 @test_fp_const_fold() {
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entry:
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%cmp = fcmp ogt float 2.0, 1.0
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%val = select i1 %cmp, i32 42, i32 0
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ret i32 %val
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}
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; CHECK-LABEL: test_fp_zero_cmp:
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; CHECK: jumpr r31
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define i32 @test_fp_zero_cmp() {
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entry:
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%cmp = fcmp oeq float 0.0, 0.0
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%val = select i1 %cmp, i32 1, i32 0
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ret i32 %val
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}
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; CHECK-LABEL: test_fp_nan_cmp:
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; CHECK: jumpr r31
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define i32 @test_fp_nan_cmp() {
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entry:
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%nan = fdiv float 0.0, 0.0
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%cmp = fcmp uno float %nan, 1.0
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%val = select i1 %cmp, i32 1, i32 0
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ret i32 %val
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}
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; Exercise the negative FP constant path.
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; CHECK-LABEL: test_fp_neg:
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; CHECK: jumpr r31
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define i32 @test_fp_neg(float %x) {
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entry:
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%neg = fneg float %x
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%cmp = fcmp olt float %neg, 0.0
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%val = select i1 %cmp, i32 1, i32 0
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ret i32 %val
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}
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