mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
492 lines
8.7 KiB
LLVM
492 lines
8.7 KiB
LLVM
; Test the use of TEST UNDER MASK for 32-bit operations.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
|
|
|
|
@g = global i32 0
|
|
|
|
; Check the lowest useful TMLL value.
|
|
define void @f1(i32 %a) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: tmll %r2, 1
|
|
; CHECK: je {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 1
|
|
%cmp = icmp eq i32 %and, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check the high end of the TMLL range.
|
|
define void @f2(i32 %a) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: tmll %r2, 65535
|
|
; CHECK: jne {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 65535
|
|
%cmp = icmp ne i32 %and, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check the lowest useful TMLH value, which is the next value up.
|
|
define void @f3(i32 %a) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: tmlh %r2, 1
|
|
; CHECK: jne {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 65536
|
|
%cmp = icmp ne i32 %and, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check the next value up again, which cannot use TM.
|
|
define void @f4(i32 %a) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK-NOT: {{tm[lh].}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 4294901759
|
|
%cmp = icmp eq i32 %and, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check the high end of the TMLH range.
|
|
define void @f5(i32 %a) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: tmlh %r2, 65535
|
|
; CHECK: je {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 4294901760
|
|
%cmp = icmp eq i32 %and, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can use TMLL for LT comparisons that are equivalent to
|
|
; an equality comparison with zero.
|
|
define void @f6(i32 %a) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: tmll %r2, 240
|
|
; CHECK: je {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 240
|
|
%cmp = icmp slt i32 %and, 16
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; ...same again with LE.
|
|
define void @f7(i32 %a) {
|
|
; CHECK-LABEL: f7:
|
|
; CHECK: tmll %r2, 240
|
|
; CHECK: je {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 240
|
|
%cmp = icmp sle i32 %and, 15
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can use TMLL for GE comparisons that are equivalent to
|
|
; an inequality comparison with zero.
|
|
define void @f8(i32 %a) {
|
|
; CHECK-LABEL: f8:
|
|
; CHECK: tmll %r2, 240
|
|
; CHECK: jne {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 240
|
|
%cmp = icmp uge i32 %and, 16
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; ...same again with GT.
|
|
define void @f9(i32 %a) {
|
|
; CHECK-LABEL: f9:
|
|
; CHECK: tmll %r2, 240
|
|
; CHECK: jne {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 240
|
|
%cmp = icmp ugt i32 %and, 15
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can use TMLL for LT comparisons that effectively
|
|
; test whether the top bit is clear.
|
|
define void @f10(i32 %a) {
|
|
; CHECK-LABEL: f10:
|
|
; CHECK: tmll %r2, 35
|
|
; CHECK: jle {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 35
|
|
%cmp = icmp ult i32 %and, 8
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; ...same again with LE.
|
|
define void @f11(i32 %a) {
|
|
; CHECK-LABEL: f11:
|
|
; CHECK: tmll %r2, 35
|
|
; CHECK: jle {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 35
|
|
%cmp = icmp ule i32 %and, 31
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can use TMLL for GE comparisons that effectively test
|
|
; whether the top bit is set.
|
|
define void @f12(i32 %a) {
|
|
; CHECK-LABEL: f12:
|
|
; CHECK: tmll %r2, 140
|
|
; CHECK: jnle {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 140
|
|
%cmp = icmp uge i32 %and, 128
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; ...same again for GT.
|
|
define void @f13(i32 %a) {
|
|
; CHECK-LABEL: f13:
|
|
; CHECK: tmll %r2, 140
|
|
; CHECK: jnle {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 140
|
|
%cmp = icmp ugt i32 %and, 126
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can use TMLL for equality comparisons with the mask.
|
|
define void @f14(i32 %a) {
|
|
; CHECK-LABEL: f14:
|
|
; CHECK: tmll %r2, 101
|
|
; CHECK: jo {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 101
|
|
%cmp = icmp eq i32 %and, 101
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can use TMLL for inequality comparisons with the mask.
|
|
define void @f15(i32 %a) {
|
|
; CHECK-LABEL: f15:
|
|
; CHECK: tmll %r2, 65519
|
|
; CHECK: jno {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 65519
|
|
%cmp = icmp ne i32 %and, 65519
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can use TMLL for LT comparisons that are equivalent
|
|
; to inequality comparisons with the mask.
|
|
define void @f16(i32 %a) {
|
|
; CHECK-LABEL: f16:
|
|
; CHECK: tmll %r2, 130
|
|
; CHECK: jno {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 130
|
|
%cmp = icmp ult i32 %and, 129
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; ...same again with LE.
|
|
define void @f17(i32 %a) {
|
|
; CHECK-LABEL: f17:
|
|
; CHECK: tmll %r2, 130
|
|
; CHECK: jno {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 130
|
|
%cmp = icmp ule i32 %and, 128
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can use TMLL for GE comparisons that are equivalent
|
|
; to equality comparisons with the mask.
|
|
define void @f18(i32 %a) {
|
|
; CHECK-LABEL: f18:
|
|
; CHECK: tmll %r2, 194
|
|
; CHECK: jo {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 194
|
|
%cmp = icmp uge i32 %and, 193
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; ...same again for GT.
|
|
define void @f19(i32 %a) {
|
|
; CHECK-LABEL: f19:
|
|
; CHECK: tmll %r2, 194
|
|
; CHECK: jo {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 194
|
|
%cmp = icmp ugt i32 %and, 192
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can use TMLL for equality comparisons for the low bit
|
|
; when the mask has two bits.
|
|
define void @f20(i32 %a) {
|
|
; CHECK-LABEL: f20:
|
|
; CHECK: tmll %r2, 20
|
|
; CHECK: jl {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 20
|
|
%cmp = icmp eq i32 %and, 4
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can use TMLL for inequality comparisons for the low bit
|
|
; when the mask has two bits.
|
|
define void @f21(i32 %a) {
|
|
; CHECK-LABEL: f21:
|
|
; CHECK: tmll %r2, 20
|
|
; CHECK: jnl {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 20
|
|
%cmp = icmp ne i32 %and, 4
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can use TMLL for equality comparisons for the high bit
|
|
; when the mask has two bits.
|
|
define void @f22(i32 %a) {
|
|
; CHECK-LABEL: f22:
|
|
; CHECK: tmll %r2, 20
|
|
; CHECK: jh {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 20
|
|
%cmp = icmp eq i32 %and, 16
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can use TMLL for inequality comparisons for the high bit
|
|
; when the mask has two bits.
|
|
define void @f23(i32 %a) {
|
|
; CHECK-LABEL: f23:
|
|
; CHECK: tmll %r2, 20
|
|
; CHECK: jnh {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%and = and i32 %a, 20
|
|
%cmp = icmp ne i32 %and, 16
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can fold an SHL into a TMxx mask.
|
|
define void @f24(i32 %a) {
|
|
; CHECK-LABEL: f24:
|
|
; CHECK: tmll %r2, 255
|
|
; CHECK: jne {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%shl = shl i32 %a, 12
|
|
%and = and i32 %shl, 1044480
|
|
%cmp = icmp ne i32 %and, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that we can fold an SHR into a TMxx mask.
|
|
define void @f25(i32 %a) {
|
|
; CHECK-LABEL: f25:
|
|
; CHECK: tmlh %r2, 512
|
|
; CHECK: jne {{\.L.*}}
|
|
; CHECK: br %r14
|
|
entry:
|
|
%shr = lshr i32 %a, 25
|
|
%and = and i32 %shr, 1
|
|
%cmp = icmp ne i32 %and, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|