72 lines
1.8 KiB
LLVM
72 lines
1.8 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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define double @a(<1 x i64> %y) {
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; CHECK-LABEL: @a(
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; CHECK-NEXT: [[BC:%.*]] = bitcast <1 x i64> %y to <1 x double>
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; CHECK-NEXT: [[C:%.*]] = extractelement <1 x double> [[BC]], i32 0
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; CHECK-NEXT: ret double [[C]]
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;
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%c = bitcast <1 x i64> %y to double
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ret double %c
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}
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define i64 @b(<1 x i64> %y) {
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; CHECK-LABEL: @b(
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; CHECK-NEXT: [[TMP1:%.*]] = extractelement <1 x i64> %y, i32 0
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; CHECK-NEXT: ret i64 [[TMP1]]
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;
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%c = bitcast <1 x i64> %y to i64
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ret i64 %c
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}
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define <1 x i64> @c(double %y) {
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; CHECK-LABEL: @c(
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast double %y to i64
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; CHECK-NEXT: [[C:%.*]] = insertelement <1 x i64> undef, i64 [[TMP1]], i32 0
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; CHECK-NEXT: ret <1 x i64> [[C]]
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;
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%c = bitcast double %y to <1 x i64>
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ret <1 x i64> %c
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}
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define <1 x i64> @d(i64 %y) {
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; CHECK-LABEL: @d(
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; CHECK-NEXT: [[C:%.*]] = insertelement <1 x i64> undef, i64 %y, i32 0
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; CHECK-NEXT: ret <1 x i64> [[C]]
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;
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%c = bitcast i64 %y to <1 x i64>
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ret <1 x i64> %c
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}
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define x86_mmx @e(<1 x i64> %y) {
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; CHECK-LABEL: @e(
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; CHECK-NEXT: [[TMP1:%.*]] = extractelement <1 x i64> %y, i32 0
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; CHECK-NEXT: [[C:%.*]] = bitcast i64 [[TMP1]] to x86_mmx
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; CHECK-NEXT: ret x86_mmx [[C]]
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;
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%c = bitcast <1 x i64> %y to x86_mmx
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ret x86_mmx %c
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}
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define <1 x i64> @f(x86_mmx %y) {
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; CHECK-LABEL: @f(
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast x86_mmx %y to i64
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; CHECK-NEXT: [[C:%.*]] = insertelement <1 x i64> undef, i64 [[TMP1]], i32 0
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; CHECK-NEXT: ret <1 x i64> [[C]]
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;
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%c = bitcast x86_mmx %y to <1 x i64>
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ret <1 x i64> %c
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}
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define double @g(x86_mmx %x) {
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; CHECK-LABEL: @g(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = bitcast x86_mmx %x to double
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; CHECK-NEXT: ret double [[TMP0]]
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;
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entry:
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%0 = bitcast x86_mmx %x to <1 x i64>
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%1 = bitcast <1 x i64> %0 to double
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ret double %1
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}
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