; Test the Test Data Class instruction logic operation conversion from ; signbit extraction. ; ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s ; ; Extract sign bit. define i32 @f1(float %x) { ; CHECK-LABEL: f1 ; CHECK: tceb %f0, 1365 %cast = bitcast float %x to i32 %res = icmp slt i32 %cast, 0 %xres = zext i1 %res to i32 ret i32 %xres } ; Extract negated sign bit. define i32 @f2(float %x) { ; CHECK-LABEL: f2 ; CHECK: tceb %f0, 2730 %cast = bitcast float %x to i32 %res = icmp sgt i32 %cast, -1 %xres = zext i1 %res to i32 ret i32 %xres } ; Extract sign bit. define i32 @f3(double %x) { ; CHECK-LABEL: f3 ; CHECK: tcdb %f0, 1365 %cast = bitcast double %x to i64 %res = icmp slt i64 %cast, 0 %xres = zext i1 %res to i32 ret i32 %xres } ; Extract negated sign bit. define i32 @f4(double %x) { ; CHECK-LABEL: f4 ; CHECK: tcdb %f0, 2730 %cast = bitcast double %x to i64 %res = icmp sgt i64 %cast, -1 %xres = zext i1 %res to i32 ret i32 %xres } ; Extract sign bit. define i32 @f5(fp128 %x) { ; CHECK-LABEL: f5 ; CHECK: tcxb %f0, 1365 %cast = bitcast fp128 %x to i128 %res = icmp slt i128 %cast, 0 %xres = zext i1 %res to i32 ret i32 %xres } ; Extract negated sign bit. define i32 @f6(fp128 %x) { ; CHECK-LABEL: f6 ; CHECK: tcxb %f0, 2730 %cast = bitcast fp128 %x to i128 %res = icmp sgt i128 %cast, -1 %xres = zext i1 %res to i32 ret i32 %xres } ; Wrong const. define i32 @f7(float %x) { ; CHECK-LABEL: f7 ; CHECK-NOT: tceb %cast = bitcast float %x to i32 %res = icmp slt i32 %cast, -1 %xres = zext i1 %res to i32 ret i32 %xres } ; Wrong pred. define i32 @f8(float %x) { ; CHECK-LABEL: f8 ; CHECK-NOT: tceb %cast = bitcast float %x to i32 %res = icmp eq i32 %cast, 0 %xres = zext i1 %res to i32 ret i32 %xres }