forked from OSchip/llvm-project
265 lines
11 KiB
C
265 lines
11 KiB
C
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -ffixed-point -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,SIGNED
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -ffixed-point -fpadding-on-unsigned-fixed-point -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,UNSIGNED
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_Accum a;
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_Fract f;
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long _Fract lf;
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unsigned _Accum ua;
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short unsigned _Accum usa;
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unsigned _Fract uf;
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_Sat _Accum sa;
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_Sat _Fract sf;
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_Sat long _Fract slf;
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_Sat unsigned _Accum sua;
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_Sat short unsigned _Accum susa;
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_Sat unsigned _Fract suf;
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// CHECK-LABEL: @Increment(
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void Increment() {
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// CHECK: [[TMP0:%.*]] = load i32, i32* @a, align 4
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// CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], -32768
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// CHECK-NEXT: store i32 [[TMP1]], i32* @a, align 4
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a++;
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// CHECK: [[TMP2:%.*]] = load i16, i16* @f, align 2
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// CHECK-NEXT: [[TMP3:%.*]] = sub i16 [[TMP2]], -32768
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// CHECK-NEXT: store i16 [[TMP3]], i16* @f, align 2
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f++;
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// CHECK: [[TMP4:%.*]] = load i32, i32* @lf, align 4
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// CHECK-NEXT: [[TMP5:%.*]] = sub i32 [[TMP4]], -2147483648
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// CHECK-NEXT: store i32 [[TMP5]], i32* @lf, align 4
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lf++;
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// CHECK: [[TMP6:%.*]] = load i32, i32* @ua, align 4
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// SIGNED-NEXT: [[TMP7:%.*]] = add i32 [[TMP6]], 65536
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// UNSIGNED-NEXT: [[TMP7:%.*]] = add i32 [[TMP6]], 32768
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// CHECK-NEXT: store i32 [[TMP7]], i32* @ua, align 4
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ua++;
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// CHECK: [[TMP8:%.*]] = load i16, i16* @usa, align 2
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// SIGNED-NEXT: [[TMP9:%.*]] = add i16 [[TMP8]], 256
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// UNSIGNED-NEXT: [[TMP9:%.*]] = add i16 [[TMP8]], 128
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// CHECK-NEXT: store i16 [[TMP9]], i16* @usa, align 2
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usa++;
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// CHECK: [[TMP10:%.*]] = load i16, i16* @uf, align 2
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// SIGNED-NEXT: [[TMP11:%.*]] = add i16 [[TMP10]], undef
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// UNSIGNED-NEXT: [[TMP11:%.*]] = add i16 [[TMP10]], -32768
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// CHECK-NEXT: store i16 [[TMP11]], i16* @uf, align 2
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uf++;
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// CHECK: [[TMP12:%.*]] = load i32, i32* @sa, align 4
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// CHECK-NEXT: [[TMP13:%.*]] = call i32 @llvm.ssub.sat.i32(i32 [[TMP12]], i32 -32768)
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// CHECK-NEXT: store i32 [[TMP13]], i32* @sa, align 4
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sa++;
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// CHECK: [[TMP14:%.*]] = load i16, i16* @sf, align 2
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// CHECK-NEXT: [[TMP15:%.*]] = call i16 @llvm.ssub.sat.i16(i16 [[TMP14]], i16 -32768)
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// CHECK-NEXT: store i16 [[TMP15]], i16* @sf, align 2
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sf++;
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// CHECK: [[TMP16:%.*]] = load i32, i32* @slf, align 4
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// CHECK-NEXT: [[TMP17:%.*]] = call i32 @llvm.ssub.sat.i32(i32 [[TMP16]], i32 -2147483648)
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// CHECK-NEXT: store i32 [[TMP17]], i32* @slf, align 4
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slf++;
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// CHECK: [[TMP18:%.*]] = load i32, i32* @sua, align 4
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// SIGNED-NEXT: [[TMP19:%.*]] = call i32 @llvm.uadd.sat.i32(i32 [[TMP18]], i32 65536)
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// SIGNED-NEXT: store i32 [[TMP19]], i32* @sua, align 4
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// UNSIGNED-NEXT: [[RESIZE:%.*]] = trunc i32 [[TMP18]] to i31
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// UNSIGNED-NEXT: [[TMP19:%.*]] = call i31 @llvm.uadd.sat.i31(i31 [[RESIZE]], i31 32768)
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// UNSIGNED-NEXT: [[RESIZE1:%.*]] = zext i31 [[TMP19]] to i32
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// UNSIGNED-NEXT: store i32 [[RESIZE1]], i32* @sua, align 4
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sua++;
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// CHECK: [[TMP20:%.*]] = load i16, i16* @susa, align 2
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// SIGNED-NEXT: [[TMP21:%.*]] = call i16 @llvm.uadd.sat.i16(i16 [[TMP20]], i16 256)
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// SIGNED-NEXT: store i16 [[TMP21]], i16* @susa, align 2
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// UNSIGNED-NEXT: [[RESIZE2:%.*]] = trunc i16 [[TMP20]] to i15
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// UNSIGNED-NEXT: [[TMP21:%.*]] = call i15 @llvm.uadd.sat.i15(i15 [[RESIZE2]], i15 128)
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// UNSIGNED-NEXT: [[RESIZE3:%.*]] = zext i15 [[TMP21]] to i16
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// UNSIGNED-NEXT: store i16 [[RESIZE3]], i16* @susa, align 2
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susa++;
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// CHECK: [[TMP22:%.*]] = load i16, i16* @suf, align 2
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// SIGNED-NEXT: [[TMP23:%.*]] = call i16 @llvm.uadd.sat.i16(i16 [[TMP22]], i16 -1)
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// SIGNED-NEXT: store i16 [[TMP23]], i16* @suf, align 2
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// UNSIGNED-NEXT: [[RESIZE4:%.*]] = trunc i16 [[TMP22]] to i15
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// UNSIGNED-NEXT: [[TMP23:%.*]] = call i15 @llvm.uadd.sat.i15(i15 [[RESIZE4]], i15 -1)
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// UNSIGNED-NEXT: [[RESIZE5:%.*]] = zext i15 [[TMP23]] to i16
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// UNSIGNED-NEXT: store i16 [[RESIZE5]], i16* @suf, align 2
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suf++;
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}
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// CHECK-LABEL: @Decrement(
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void Decrement() {
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// CHECK: [[TMP0:%.*]] = load i32, i32* @a, align 4
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// CHECK-NEXT: [[TMP1:%.*]] = add i32 [[TMP0]], -32768
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// CHECK-NEXT: store i32 [[TMP1]], i32* @a, align 4
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a--;
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// CHECK: [[TMP2:%.*]] = load i16, i16* @f, align 2
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// CHECK-NEXT: [[TMP3:%.*]] = add i16 [[TMP2]], -32768
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// CHECK-NEXT: store i16 [[TMP3]], i16* @f, align 2
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f--;
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// CHECK: [[TMP4:%.*]] = load i32, i32* @lf, align 4
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// CHECK-NEXT: [[TMP5:%.*]] = add i32 [[TMP4]], -2147483648
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// CHECK-NEXT: store i32 [[TMP5]], i32* @lf, align 4
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lf--;
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// CHECK: [[TMP6:%.*]] = load i32, i32* @ua, align 4
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// SIGNED-NEXT: [[TMP7:%.*]] = sub i32 [[TMP6]], 65536
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// UNSIGNED-NEXT: [[TMP7:%.*]] = sub i32 [[TMP6]], 32768
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// CHECK-NEXT: store i32 [[TMP7]], i32* @ua, align 4
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ua--;
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// CHECK: [[TMP8:%.*]] = load i16, i16* @usa, align 2
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// SIGNED-NEXT: [[TMP9:%.*]] = sub i16 [[TMP8]], 256
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// UNSIGNED-NEXT: [[TMP9:%.*]] = sub i16 [[TMP8]], 128
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// CHECK-NEXT: store i16 [[TMP9]], i16* @usa, align 2
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usa--;
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// CHECK: [[TMP10:%.*]] = load i16, i16* @uf, align 2
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// SIGNED-NEXT: [[TMP11:%.*]] = sub i16 [[TMP10]], undef
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// UNSIGNED-NEXT: [[TMP11:%.*]] = sub i16 [[TMP10]], -32768
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// CHECK-NEXT: store i16 [[TMP11]], i16* @uf, align 2
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uf--;
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// CHECK: [[TMP12:%.*]] = load i32, i32* @sa, align 4
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// CHECK-NEXT: [[TMP13:%.*]] = call i32 @llvm.sadd.sat.i32(i32 [[TMP12]], i32 -32768)
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// CHECK-NEXT: store i32 [[TMP13]], i32* @sa, align 4
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sa--;
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// CHECK: [[TMP14:%.*]] = load i16, i16* @sf, align 2
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// CHECK-NEXT: [[TMP15:%.*]] = call i16 @llvm.sadd.sat.i16(i16 [[TMP14]], i16 -32768)
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// CHECK-NEXT: store i16 [[TMP15]], i16* @sf, align 2
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sf--;
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// CHECK: [[TMP16:%.*]] = load i32, i32* @slf, align 4
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// CHECK-NEXT: [[TMP17:%.*]] = call i32 @llvm.sadd.sat.i32(i32 [[TMP16]], i32 -2147483648)
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// CHECK-NEXT: store i32 [[TMP17]], i32* @slf, align 4
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slf--;
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// CHECK: [[TMP18:%.*]] = load i32, i32* @sua, align 4
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// SIGNED-NEXT: [[TMP19:%.*]] = call i32 @llvm.usub.sat.i32(i32 [[TMP18]], i32 65536)
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// SIGNED-NEXT: store i32 [[TMP19]], i32* @sua, align 4
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// UNSIGNED-NEXT: [[RESIZE:%.*]] = trunc i32 [[TMP18]] to i31
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// UNSIGNED-NEXT: [[TMP19:%.*]] = call i31 @llvm.usub.sat.i31(i31 [[RESIZE]], i31 32768)
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// UNSIGNED-NEXT: [[RESIZE1:%.*]] = zext i31 [[TMP19]] to i32
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// UNSIGNED-NEXT: store i32 [[RESIZE1]], i32* @sua, align 4
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sua--;
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// CHECK: [[TMP20:%.*]] = load i16, i16* @susa, align 2
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// SIGNED-NEXT: [[TMP21:%.*]] = call i16 @llvm.usub.sat.i16(i16 [[TMP20]], i16 256)
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// SIGNED-NEXT: store i16 [[TMP21]], i16* @susa, align 2
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// UNSIGNED-NEXT: [[RESIZE2:%.*]] = trunc i16 [[TMP20]] to i15
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// UNSIGNED-NEXT: [[TMP21:%.*]] = call i15 @llvm.usub.sat.i15(i15 [[RESIZE2]], i15 128)
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// UNSIGNED-NEXT: [[RESIZE3:%.*]] = zext i15 [[TMP21]] to i16
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// UNSIGNED-NEXT: store i16 [[RESIZE3]], i16* @susa, align 2
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susa--;
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// CHECK: [[TMP22:%.*]] = load i16, i16* @suf, align 2
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// SIGNED-NEXT: [[TMP23:%.*]] = call i16 @llvm.usub.sat.i16(i16 [[TMP22]], i16 -1)
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// SIGNED-NEXT: store i16 [[TMP23]], i16* @suf, align 2
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// UNSIGNED-NEXT: [[RESIZE4:%.*]] = trunc i16 [[TMP22]] to i15
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// UNSIGNED-NEXT: [[TMP23:%.*]] = call i15 @llvm.usub.sat.i15(i15 [[RESIZE4]], i15 -1)
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// UNSIGNED-NEXT: [[RESIZE5:%.*]] = zext i15 [[TMP23]] to i16
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// UNSIGNED-NEXT: store i16 [[RESIZE5]], i16* @suf, align 2
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suf--;
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}
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// CHECK-LABEL: @Minus(
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void Minus() {
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// CHECK: [[TMP0:%.*]] = load i32, i32* @a, align 4
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// CHECK-NEXT: [[TMP1:%.*]] = sub i32 0, [[TMP0]]
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// CHECK-NEXT: store i32 [[TMP1]], i32* @a, align 4
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a = -a;
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// CHECK: [[TMP2:%.*]] = load i16, i16* @f, align 2
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// CHECK-NEXT: [[TMP3:%.*]] = sub i16 0, [[TMP2]]
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// CHECK-NEXT: store i16 [[TMP3]], i16* @f, align 2
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f = -f;
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// CHECK: [[TMP4:%.*]] = load i16, i16* @usa, align 2
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// CHECK-NEXT: [[TMP5:%.*]] = sub i16 0, [[TMP4]]
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// CHECK-NEXT: store i16 [[TMP5]], i16* @usa, align 2
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usa = -usa;
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// CHECK: [[TMP6:%.*]] = load i16, i16* @uf, align 2
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// CHECK-NEXT: [[TMP7:%.*]] = sub i16 0, [[TMP6]]
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// CHECK-NEXT: store i16 [[TMP7]], i16* @uf, align 2
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uf = -uf;
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// CHECK: [[TMP8:%.*]] = load i32, i32* @sa, align 4
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// CHECK-NEXT: [[TMP9:%.*]] = call i32 @llvm.ssub.sat.i32(i32 0, i32 [[TMP8]])
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// CHECK-NEXT: store i32 [[TMP9]], i32* @sa, align 4
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sa = -sa;
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// CHECK: [[TMP10:%.*]] = load i16, i16* @sf, align 2
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// CHECK-NEXT: [[TMP11:%.*]] = call i16 @llvm.ssub.sat.i16(i16 0, i16 [[TMP10]])
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// CHECK-NEXT: store i16 [[TMP11]], i16* @sf, align 2
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sf = -sf;
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// CHECK: [[TMP12:%.*]] = load i16, i16* @susa, align 2
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// SIGNED-NEXT: [[TMP13:%.*]] = call i16 @llvm.usub.sat.i16(i16 0, i16 [[TMP12]])
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// SIGNED-NEXT: store i16 [[TMP13]], i16* @susa, align 2
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// UNSIGNED-NEXT: [[RESIZE:%.*]] = trunc i16 [[TMP12]] to i15
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// UNSIGNED-NEXT: [[TMP13:%.*]] = call i15 @llvm.usub.sat.i15(i15 0, i15 [[RESIZE]])
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// UNSIGNED-NEXT: [[RESIZE1:%.*]] = zext i15 [[TMP13]] to i16
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// UNSIGNED-NEXT: store i16 [[RESIZE1]], i16* @susa, align 2
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susa = -susa;
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// CHECK: [[TMP14:%.*]] = load i16, i16* @suf, align 2
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// SIGNED-NEXT: [[TMP15:%.*]] = call i16 @llvm.usub.sat.i16(i16 0, i16 [[TMP14]])
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// SIGNED-NEXT: store i16 [[TMP15]], i16* @suf, align 2
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// UNSIGNED-NEXT: [[RESIZE2:%.*]] = trunc i16 [[TMP14]] to i15
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// UNSIGNED-NEXT: [[TMP15:%.*]] = call i15 @llvm.usub.sat.i15(i15 0, i15 [[RESIZE2]])
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// UNSIGNED-NEXT: [[RESIZE3:%.*]] = zext i15 [[TMP15]] to i16
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// UNSIGNED-NEXT: store i16 [[RESIZE3]], i16* @suf, align 2
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suf = -suf;
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}
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// CHECK-LABEL: @Plus(
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void Plus() {
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// CHECK: [[TMP0:%.*]] = load i32, i32* @a, align 4
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// CHECK-NEXT: store i32 [[TMP0]], i32* @a, align 4
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a = +a;
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// CHECK: [[TMP1:%.*]] = load i16, i16* @uf, align 2
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// CHECK-NEXT: store i16 [[TMP1]], i16* @uf, align 2
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uf = +uf;
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// CHECK: [[TMP2:%.*]] = load i32, i32* @sa, align 4
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// CHECK-NEXT: store i32 [[TMP2]], i32* @sa, align 4
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sa = +sa;
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}
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// CHECK-LABEL: @Not(
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void Not() {
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int i;
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// CHECK: [[TMP0:%.*]] = load i32, i32* @a, align 4
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// CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0
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// CHECK-NEXT: [[LNOT:%.*]] = xor i1 [[TOBOOL]], true
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// CHECK-NEXT: [[LNOT_EXT:%.*]] = zext i1 [[LNOT]] to i32
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// CHECK-NEXT: store i32 [[LNOT_EXT]], i32* %i, align 4
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i = !a;
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// CHECK: [[TMP1:%.*]] = load i16, i16* @uf, align 2
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// CHECK-NEXT: [[TOBOOL1:%.*]] = icmp ne i16 [[TMP1]], 0
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// CHECK-NEXT: [[LNOT2:%.*]] = xor i1 [[TOBOOL1]], true
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// CHECK-NEXT: [[LNOT_EXT3:%.*]] = zext i1 [[LNOT2]] to i32
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// CHECK-NEXT: store i32 [[LNOT_EXT3]], i32* %i, align 4
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i = !uf;
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// CHECK: [[TMP2:%.*]] = load i16, i16* @susa, align 2
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// CHECK-NEXT: [[TOBOOL4:%.*]] = icmp ne i16 [[TMP2]], 0
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// CHECK-NEXT: [[LNOT5:%.*]] = xor i1 [[TOBOOL4]], true
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// CHECK-NEXT: [[LNOT_EXT6:%.*]] = zext i1 [[LNOT5]] to i32
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// CHECK-NEXT: store i32 [[LNOT_EXT6]], i32* %i, align 4
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i = !susa;
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}
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