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-rw-r--r--test/CodeGen/SystemZ/tdc-05.ll97
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diff --git a/test/CodeGen/SystemZ/tdc-05.ll b/test/CodeGen/SystemZ/tdc-05.ll
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-; Test the Test Data Class instruction logic operation conversion from
-; compares, combined with signbit or other compares to ensure worthiness.
-;
-; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
-;
-
-declare float @llvm.fabs.f32(float)
-declare double @llvm.fabs.f64(double)
-declare fp128 @llvm.fabs.f128(fp128)
-
-; Compare with 0, extract sign bit
-define i32 @f1(float %x) {
-; CHECK-LABEL: f1
-; CHECK: tceb %f0, 2047
- %cast = bitcast float %x to i32
- %sign = icmp slt i32 %cast, 0
- %fcmp = fcmp ugt float %x, 0.0
- %res = or i1 %sign, %fcmp
- %xres = zext i1 %res to i32
- ret i32 %xres
-}
-
-; Compare with inf, extract negated sign bit
-define i32 @f2(float %x) {
-; CHECK-LABEL: f2
-; CHECK: tceb %f0, 2698
- %cast = bitcast float %x to i32
- %sign = icmp sgt i32 %cast, -1
- %fcmp = fcmp ult float %x, 0x7ff0000000000000
- %res = and i1 %sign, %fcmp
- %xres = zext i1 %res to i32
- ret i32 %xres
-}
-
-; Compare with minnorm, extract negated sign bit
-define i32 @f3(float %x) {
-; CHECK-LABEL: f3
-; CHECK: tceb %f0, 2176
- %cast = bitcast float %x to i32
- %sign = icmp sgt i32 %cast, -1
- %fcmp = fcmp olt float %x, 0x3810000000000000
- %res = and i1 %sign, %fcmp
- %xres = zext i1 %res to i32
- ret i32 %xres
-}
-
-; Test float isnormal, from clang.
-define i32 @f4(float %x) {
-; CHECK-LABEL: f4
-; CHECK: tceb %f0, 768
- %y = call float @llvm.fabs.f32(float %x)
- %ord = fcmp ord float %x, 0.0
- %a = fcmp ult float %y, 0x7ff0000000000000
- %b = fcmp uge float %y, 0x3810000000000000
- %c = and i1 %a, %b
- %res = and i1 %ord, %c
- %xres = zext i1 %res to i32
- ret i32 %xres
-}
-
-; Check for negative 0.
-define i32 @f5(float %x) {
-; CHECK-LABEL: f5
-; CHECK: tceb %f0, 1024
- %cast = bitcast float %x to i32
- %sign = icmp slt i32 %cast, 0
- %fcmp = fcmp oeq float %x, 0.0
- %res = and i1 %sign, %fcmp
- %xres = zext i1 %res to i32
- ret i32 %xres
-}
-
-; Test isnormal, from clang.
-define i32 @f6(double %x) {
-; CHECK-LABEL: f6
-; CHECK: tcdb %f0, 768
- %y = call double @llvm.fabs.f64(double %x)
- %ord = fcmp ord double %x, 0.0
- %a = fcmp ult double %y, 0x7ff0000000000000
- %b = fcmp uge double %y, 0x0010000000000000
- %c = and i1 %ord, %a
- %res = and i1 %b, %c
- %xres = zext i1 %res to i32
- ret i32 %xres
-}
-
-; Test isinf || isnan, from clang.
-define i32 @f7(double %x) {
-; CHECK-LABEL: f7
-; CHECK: tcdb %f0, 63
- %y = call double @llvm.fabs.f64(double %x)
- %a = fcmp oeq double %y, 0x7ff0000000000000
- %b = fcmp uno double %x, 0.0
- %res = or i1 %a, %b
- %xres = zext i1 %res to i32
- ret i32 %xres
-}