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74 lines
2.8 KiB
LLVM
74 lines
2.8 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -constprop -S | FileCheck %s
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; PR2165
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define <1 x i64> @test1() {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: ret <1 x i64> <i64 63>
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;
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%A = bitcast i64 63 to <1 x i64>
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ret <1 x i64> %A
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}
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; Ensure that a FP source operand isn't propagated to an icmp.
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@a = external global i16, align 1
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@b = external global i16, align 1
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define i1 @bad_icmp_constexpr_bitcast() {
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; CHECK-LABEL: @bad_icmp_constexpr_bitcast(
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; CHECK-NEXT: ret i1 icmp eq (i32 ptrtoint (i16* @a to i32), i32 bitcast (float fadd (float bitcast (i32 ptrtoint (i16* @b to i32) to float), float 2.000000e+00) to i32))
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;
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%cmp = icmp eq i32 ptrtoint (i16* @a to i32), bitcast (float fadd (float bitcast (i32 ptrtoint (i16* @b to i32) to float), float 2.0) to i32)
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ret i1 %cmp
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}
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; Ensure that an integer source operand isn't propagated to a fcmp.
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@c = external global i16, align 1
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@d = external global i16, align 1
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define i1 @bad_fcmp_constexpr_bitcast() {
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; CHECK-LABEL: @bad_fcmp_constexpr_bitcast(
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; CHECK-NEXT: ret i1 fcmp oeq (float bitcast (i32 ptrtoint (i16* @c to i32) to float), float bitcast (i32 add (i32 ptrtoint (i16* @d to i32), i32 2) to float))
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;
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%cmp = fcmp oeq float bitcast (i32 ptrtoint (i16* @c to i32) to float), bitcast (i32 add (i32 ptrtoint (i16* @d to i32), i32 2) to float)
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ret i1 %cmp
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}
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; Ensure that an "ordered and equal" fcmp of a ConstantExpr to itself is not folded, since the ConstantExpr may be a NaN.
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define i1 @fcmp_constexpr_oeq(float %conv) {
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; CHECK-LABEL: @fcmp_constexpr_oeq(
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; CHECK-NEXT: ret i1 fcmp oeq (float bitcast (i32 ptrtoint (i16* @a to i32) to float), float bitcast (i32 ptrtoint (i16* @a to i32) to float))
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;
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%cmp = fcmp oeq float bitcast (i32 ptrtoint (i16* @a to i32) to float), bitcast (i32 ptrtoint (i16* @a to i32) to float)
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ret i1 %cmp
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}
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; Ensure that an "unordered or not equal" fcmp of a ConstantExpr to itself is not folded, since the ConstantExpr may be a NaN.
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define i1 @fcmp_constexpr_une(float %conv) {
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; CHECK-LABEL: @fcmp_constexpr_une(
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; CHECK-NEXT: ret i1 fcmp une (float bitcast (i32 ptrtoint (i16* @a to i32) to float), float bitcast (i32 ptrtoint (i16* @a to i32) to float))
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;
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%cmp = fcmp une float bitcast (i32 ptrtoint (i16* @a to i32) to float), bitcast (i32 ptrtoint (i16* @a to i32) to float)
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ret i1 %cmp
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}
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define i1 @fcmp_constexpr_ueq(float %conv) {
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; CHECK-LABEL: @fcmp_constexpr_ueq(
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; CHECK-NEXT: ret i1 true
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;
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%cmp = fcmp ueq float bitcast (i32 ptrtoint (i16* @a to i32) to float), bitcast (i32 ptrtoint (i16* @a to i32) to float)
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ret i1 %cmp
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}
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define i1 @fcmp_constexpr_one(float %conv) {
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; CHECK-LABEL: @fcmp_constexpr_one(
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; CHECK-NEXT: ret i1 false
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;
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%cmp = fcmp one float bitcast (i32 ptrtoint (i16* @a to i32) to float), bitcast (i32 ptrtoint (i16* @a to i32) to float)
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ret i1 %cmp
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}
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