a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
191 lines
4.5 KiB
LLVM
191 lines
4.5 KiB
LLVM
; Test all condition-code masks that are relevant for CRJ.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
declare i32 @foo()
|
|
@g1 = dso_local global i16 0
|
|
|
|
define dso_local void @f1(i32 %target) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: .cfi_def_cfa_offset
|
|
; CHECK: .L[[LABEL:.*]]:
|
|
; CHECK: crje %r2, {{%r[0-9]+}}, .L[[LABEL]]
|
|
br label %loop
|
|
loop:
|
|
%val = call i32 @foo()
|
|
%cond = icmp eq i32 %val, %target
|
|
br i1 %cond, label %loop, label %exit
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define dso_local void @f2(i32 %target) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: .cfi_def_cfa_offset
|
|
; CHECK: .L[[LABEL:.*]]:
|
|
; CHECK: crjlh %r2, {{%r[0-9]+}}, .L[[LABEL]]
|
|
br label %loop
|
|
loop:
|
|
%val = call i32 @foo()
|
|
%cond = icmp ne i32 %val, %target
|
|
br i1 %cond, label %loop, label %exit
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define dso_local void @f3(i32 %target) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: .cfi_def_cfa_offset
|
|
; CHECK: .L[[LABEL:.*]]:
|
|
; CHECK: crjle %r2, {{%r[0-9]+}}, .L[[LABEL]]
|
|
br label %loop
|
|
loop:
|
|
%val = call i32 @foo()
|
|
%cond = icmp sle i32 %val, %target
|
|
br i1 %cond, label %loop, label %exit
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define dso_local void @f4(i32 %target) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: .cfi_def_cfa_offset
|
|
; CHECK: .L[[LABEL:.*]]:
|
|
; CHECK: crjl %r2, {{%r[0-9]+}}, .L[[LABEL]]
|
|
br label %loop
|
|
loop:
|
|
%val = call i32 @foo()
|
|
%cond = icmp slt i32 %val, %target
|
|
br i1 %cond, label %loop, label %exit
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define dso_local void @f5(i32 %target) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: .cfi_def_cfa_offset
|
|
; CHECK: .L[[LABEL:.*]]:
|
|
; CHECK: crjh %r2, {{%r[0-9]+}}, .L[[LABEL]]
|
|
br label %loop
|
|
loop:
|
|
%val = call i32 @foo()
|
|
%cond = icmp sgt i32 %val, %target
|
|
br i1 %cond, label %loop, label %exit
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define dso_local void @f6(i32 %target) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: .cfi_def_cfa_offset
|
|
; CHECK: .L[[LABEL:.*]]:
|
|
; CHECK: crjhe %r2, {{%r[0-9]+}}, .L[[LABEL]]
|
|
br label %loop
|
|
loop:
|
|
%val = call i32 @foo()
|
|
%cond = icmp sge i32 %val, %target
|
|
br i1 %cond, label %loop, label %exit
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that CRJ is used for checking equality with a zero-extending
|
|
; character load.
|
|
define dso_local void @f7(ptr %targetptr) {
|
|
; CHECK-LABEL: f7:
|
|
; CHECK: .cfi_def_cfa_offset
|
|
; CHECK: .L[[LABEL:.*]]:
|
|
; CHECK: llc [[REG:%r[0-5]]],
|
|
; CHECK: crje %r2, [[REG]], .L[[LABEL]]
|
|
br label %loop
|
|
loop:
|
|
%val = call i32 @foo()
|
|
%byte = load i8, ptr %targetptr
|
|
%target = zext i8 %byte to i32
|
|
%cond = icmp eq i32 %val, %target
|
|
br i1 %cond, label %loop, label %exit
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; ...and zero-extending i16 loads.
|
|
define dso_local void @f8(ptr %targetptr) {
|
|
; CHECK-LABEL: f8:
|
|
; CHECK: .cfi_def_cfa_offset
|
|
; CHECK: .L[[LABEL:.*]]:
|
|
; CHECK: llh [[REG:%r[0-5]]],
|
|
; CHECK: crje %r2, [[REG]], .L[[LABEL]]
|
|
br label %loop
|
|
loop:
|
|
%val = call i32 @foo()
|
|
%half = load i16, ptr %targetptr
|
|
%target = zext i16 %half to i32
|
|
%cond = icmp eq i32 %val, %target
|
|
br i1 %cond, label %loop, label %exit
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; ...unless the address is a global.
|
|
define dso_local void @f9(ptr %targetptr) {
|
|
; CHECK-LABEL: f9:
|
|
; CHECK: .cfi_def_cfa_offset
|
|
; CHECK: .L[[LABEL:.*]]:
|
|
; CHECK: clhrl %r2, g1
|
|
; CHECK: je .L[[LABEL]]
|
|
br label %loop
|
|
loop:
|
|
%val = call i32 @foo()
|
|
%half = load i16, ptr@g1
|
|
%target = zext i16 %half to i32
|
|
%cond = icmp eq i32 %val, %target
|
|
br i1 %cond, label %loop, label %exit
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check that CRJ is used for checking order between two zero-extending
|
|
; byte loads, even if the original comparison was unsigned.
|
|
define dso_local void @f10(ptr %targetptr1) {
|
|
; CHECK-LABEL: f10:
|
|
; CHECK: .cfi_def_cfa_offset
|
|
; CHECK: .L[[LABEL:.*]]:
|
|
; CHECK-DAG: llc [[REG1:%r[0-5]]], 0(
|
|
; CHECK-DAG: llc [[REG2:%r[0-5]]], 1(
|
|
; CHECK: crjl [[REG1]], [[REG2]], .L[[LABEL]]
|
|
br label %loop
|
|
loop:
|
|
%val = call i32 @foo()
|
|
%targetptr2 = getelementptr i8, ptr %targetptr1, i64 1
|
|
%byte1 = load i8, ptr %targetptr1
|
|
%byte2 = load i8, ptr %targetptr2
|
|
%ext1 = zext i8 %byte1 to i32
|
|
%ext2 = zext i8 %byte2 to i32
|
|
%cond = icmp ult i32 %ext1, %ext2
|
|
br i1 %cond, label %loop, label %exit
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; ...likewise halfword loads.
|
|
define dso_local void @f11(ptr %targetptr1) {
|
|
; CHECK-LABEL: f11:
|
|
; CHECK: .cfi_def_cfa_offset
|
|
; CHECK: .L[[LABEL:.*]]:
|
|
; CHECK-DAG: llh [[REG1:%r[0-5]]], 0(
|
|
; CHECK-DAG: llh [[REG2:%r[0-5]]], 2(
|
|
; CHECK: crjl [[REG1]], [[REG2]], .L[[LABEL]]
|
|
br label %loop
|
|
loop:
|
|
%val = call i32 @foo()
|
|
%targetptr2 = getelementptr i16, ptr %targetptr1, i64 1
|
|
%half1 = load i16, ptr %targetptr1
|
|
%half2 = load i16, ptr %targetptr2
|
|
%ext1 = zext i16 %half1 to i32
|
|
%ext2 = zext i16 %half2 to i32
|
|
%cond = icmp ult i32 %ext1, %ext2
|
|
br i1 %cond, label %loop, label %exit
|
|
exit:
|
|
ret void
|
|
}
|