86 lines
1.7 KiB
LLVM
86 lines
1.7 KiB
LLVM
|
; 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
|
||
|
|
}
|