mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 12:12:47 +01:00
305 lines
7.0 KiB
LLVM
305 lines
7.0 KiB
LLVM
; RUN: llc < %s -mattr=-avx -fast-isel -mcpu=core2 -O0 -regalloc=fast -asm-verbose=0 -fast-isel-abort | FileCheck %s
|
|
; RUN: llc < %s -mattr=+avx -fast-isel -mcpu=core2 -O0 -regalloc=fast -asm-verbose=0 -fast-isel-abort | FileCheck %s --check-prefix=AVX
|
|
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
|
|
target triple = "x86_64-apple-darwin10.0.0"
|
|
|
|
; Make sure that fast-isel folds the immediate into the binop even though it
|
|
; is non-canonical.
|
|
define i32 @test1(i32 %i) nounwind ssp {
|
|
%and = and i32 8, %i
|
|
ret i32 %and
|
|
}
|
|
|
|
; CHECK-LABEL: test1:
|
|
; CHECK: andl $8,
|
|
|
|
|
|
; rdar://9289512 - The load should fold into the compare.
|
|
define void @test2(i64 %x) nounwind ssp {
|
|
entry:
|
|
%x.addr = alloca i64, align 8
|
|
store i64 %x, i64* %x.addr, align 8
|
|
%tmp = load i64* %x.addr, align 8
|
|
%cmp = icmp sgt i64 %tmp, 42
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %entry
|
|
br label %if.end
|
|
|
|
if.end: ; preds = %if.then, %entry
|
|
ret void
|
|
; CHECK-LABEL: test2:
|
|
; CHECK: movq %rdi, -8(%rsp)
|
|
; CHECK: cmpq $42, -8(%rsp)
|
|
}
|
|
|
|
|
|
|
|
|
|
@G = external global i32
|
|
define i64 @test3() nounwind {
|
|
%A = ptrtoint i32* @G to i64
|
|
ret i64 %A
|
|
; CHECK-LABEL: test3:
|
|
; CHECK: movq _G@GOTPCREL(%rip), %rax
|
|
; CHECK-NEXT: ret
|
|
}
|
|
|
|
|
|
|
|
; rdar://9289558
|
|
@rtx_length = external global [153 x i8]
|
|
|
|
define i32 @test4(i64 %idxprom9) nounwind {
|
|
%arrayidx10 = getelementptr inbounds [153 x i8]* @rtx_length, i32 0, i64 %idxprom9
|
|
%tmp11 = load i8* %arrayidx10, align 1
|
|
%conv = zext i8 %tmp11 to i32
|
|
ret i32 %conv
|
|
|
|
; CHECK-LABEL: test4:
|
|
; CHECK: movq _rtx_length@GOTPCREL(%rip), %rax
|
|
; CHECK-NEXT: movzbl (%rax,%rdi), %eax
|
|
; CHECK-NEXT: ret
|
|
}
|
|
|
|
|
|
; PR3242 - Out of range shifts should not be folded by fastisel.
|
|
define void @test5(i32 %x, i32* %p) nounwind {
|
|
%y = ashr i32 %x, 50000
|
|
store i32 %y, i32* %p
|
|
ret void
|
|
|
|
; CHECK-LABEL: test5:
|
|
; CHECK: movl $50000, %ecx
|
|
; CHECK: sarl %cl, %edi
|
|
; CHECK: ret
|
|
}
|
|
|
|
; rdar://9289501 - fast isel should fold trivial multiplies to shifts.
|
|
define i64 @test6(i64 %x) nounwind ssp {
|
|
entry:
|
|
%mul = mul nsw i64 %x, 8
|
|
ret i64 %mul
|
|
|
|
; CHECK-LABEL: test6:
|
|
; CHECK: shlq $3, %rdi
|
|
}
|
|
|
|
define i32 @test7(i32 %x) nounwind ssp {
|
|
entry:
|
|
%mul = mul nsw i32 %x, 8
|
|
ret i32 %mul
|
|
; CHECK-LABEL: test7:
|
|
; CHECK: shll $3, %edi
|
|
}
|
|
|
|
|
|
; rdar://9289507 - folding of immediates into 64-bit operations.
|
|
define i64 @test8(i64 %x) nounwind ssp {
|
|
entry:
|
|
%add = add nsw i64 %x, 7
|
|
ret i64 %add
|
|
|
|
; CHECK-LABEL: test8:
|
|
; CHECK: addq $7, %rdi
|
|
}
|
|
|
|
define i64 @test9(i64 %x) nounwind ssp {
|
|
entry:
|
|
%add = mul nsw i64 %x, 7
|
|
ret i64 %add
|
|
; CHECK-LABEL: test9:
|
|
; CHECK: imulq $7, %rdi, %rax
|
|
}
|
|
|
|
; rdar://9297011 - Don't reject udiv by a power of 2.
|
|
define i32 @test10(i32 %X) nounwind {
|
|
%Y = udiv i32 %X, 8
|
|
ret i32 %Y
|
|
; CHECK-LABEL: test10:
|
|
; CHECK: shrl $3,
|
|
}
|
|
|
|
define i32 @test11(i32 %X) nounwind {
|
|
%Y = sdiv exact i32 %X, 8
|
|
ret i32 %Y
|
|
; CHECK-LABEL: test11:
|
|
; CHECK: sarl $3,
|
|
}
|
|
|
|
|
|
; rdar://9297006 - Trunc to bool.
|
|
define void @test12(i8 %tmp) nounwind ssp noredzone {
|
|
entry:
|
|
%tobool = trunc i8 %tmp to i1
|
|
br i1 %tobool, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %entry
|
|
call void @test12(i8 0) noredzone
|
|
br label %if.end
|
|
|
|
if.end: ; preds = %if.then, %entry
|
|
ret void
|
|
; CHECK-LABEL: test12:
|
|
; CHECK: testb $1,
|
|
; CHECK-NEXT: je L
|
|
; CHECK-NEXT: xorl %edi, %edi
|
|
; CHECK-NEXT: callq
|
|
}
|
|
|
|
declare void @test13f(i1 %X)
|
|
|
|
define void @test13() nounwind {
|
|
call void @test13f(i1 0)
|
|
ret void
|
|
; CHECK-LABEL: test13:
|
|
; CHECK: xorl %edi, %edi
|
|
; CHECK-NEXT: callq
|
|
}
|
|
|
|
|
|
|
|
; rdar://9297003 - fast isel bails out on all functions taking bools
|
|
define void @test14(i8 %tmp) nounwind ssp noredzone {
|
|
entry:
|
|
%tobool = trunc i8 %tmp to i1
|
|
call void @test13f(i1 zeroext %tobool) noredzone
|
|
ret void
|
|
; CHECK-LABEL: test14:
|
|
; CHECK: andb $1,
|
|
; CHECK: callq
|
|
}
|
|
|
|
declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i32, i1)
|
|
|
|
; rdar://9289488 - fast-isel shouldn't bail out on llvm.memcpy
|
|
define void @test15(i8* %a, i8* %b) nounwind {
|
|
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 4, i32 4, i1 false)
|
|
ret void
|
|
; CHECK-LABEL: test15:
|
|
; CHECK-NEXT: movl (%rsi), %eax
|
|
; CHECK-NEXT: movl %eax, (%rdi)
|
|
; CHECK-NEXT: ret
|
|
}
|
|
|
|
; Handling for varargs calls
|
|
declare void @test16callee(...) nounwind
|
|
define void @test16() nounwind {
|
|
; CHECK-LABEL: test16:
|
|
; CHECK: movl $1, %edi
|
|
; CHECK: movb $0, %al
|
|
; CHECK: callq _test16callee
|
|
call void (...)* @test16callee(i32 1)
|
|
br label %block2
|
|
|
|
block2:
|
|
; CHECK: movsd LCP{{.*}}_{{.*}}(%rip), %xmm0
|
|
; CHECK: movb $1, %al
|
|
; CHECK: callq _test16callee
|
|
|
|
; AVX: vmovsd LCP{{.*}}_{{.*}}(%rip), %xmm0
|
|
; AVX: movb $1, %al
|
|
; AVX: callq _test16callee
|
|
call void (...)* @test16callee(double 1.000000e+00)
|
|
ret void
|
|
}
|
|
|
|
|
|
declare void @foo() unnamed_addr ssp align 2
|
|
|
|
; Verify that we don't fold the load into the compare here. That would move it
|
|
; w.r.t. the call.
|
|
define i32 @test17(i32 *%P) ssp nounwind {
|
|
entry:
|
|
%tmp = load i32* %P
|
|
%cmp = icmp ne i32 %tmp, 5
|
|
call void @foo()
|
|
br i1 %cmp, label %if.then, label %if.else
|
|
|
|
if.then: ; preds = %entry
|
|
ret i32 1
|
|
|
|
if.else: ; preds = %entry
|
|
ret i32 2
|
|
; CHECK-LABEL: test17:
|
|
; CHECK: movl (%rdi), %eax
|
|
; CHECK: callq _foo
|
|
; CHECK: cmpl $5, %eax
|
|
; CHECK-NEXT: je
|
|
}
|
|
|
|
; Check that 0.0 is materialized using xorps
|
|
define void @test18(float* %p1) {
|
|
store float 0.0, float* %p1
|
|
ret void
|
|
; CHECK-LABEL: test18:
|
|
; CHECK: xorps
|
|
}
|
|
|
|
; Without any type hints, doubles use the smaller xorps instead of xorpd.
|
|
define void @test19(double* %p1) {
|
|
store double 0.0, double* %p1
|
|
ret void
|
|
; CHECK-LABEL: test19:
|
|
; CHECK: xorps
|
|
}
|
|
|
|
; Check that we fast-isel sret
|
|
%struct.a = type { i64, i64, i64 }
|
|
define void @test20() nounwind ssp {
|
|
entry:
|
|
%tmp = alloca %struct.a, align 8
|
|
call void @test20sret(%struct.a* sret %tmp)
|
|
ret void
|
|
; CHECK-LABEL: test20:
|
|
; CHECK: leaq (%rsp), %rdi
|
|
; CHECK: callq _test20sret
|
|
}
|
|
declare void @test20sret(%struct.a* sret)
|
|
|
|
; Check that -0.0 is not materialized using xor
|
|
define void @test21(double* %p1) {
|
|
store double -0.0, double* %p1
|
|
ret void
|
|
; CHECK-LABEL: test21:
|
|
; CHECK-NOT: xor
|
|
; CHECK: movsd LCPI
|
|
}
|
|
|
|
; Check that immediate arguments to a function
|
|
; do not cause massive spilling and are used
|
|
; as immediates just before the call.
|
|
define void @test22() nounwind {
|
|
entry:
|
|
call void @foo22(i32 0)
|
|
call void @foo22(i32 1)
|
|
call void @foo22(i32 2)
|
|
call void @foo22(i32 3)
|
|
ret void
|
|
; CHECK-LABEL: test22:
|
|
; CHECK: xorl %edi, %edi
|
|
; CHECK: callq _foo22
|
|
; CHECK: movl $1, %edi
|
|
; CHECK: callq _foo22
|
|
; CHECK: movl $2, %edi
|
|
; CHECK: callq _foo22
|
|
; CHECK: movl $3, %edi
|
|
; CHECK: callq _foo22
|
|
}
|
|
|
|
declare void @foo22(i32)
|
|
|
|
; PR13563
|
|
define void @test23(i8* noalias sret %result) {
|
|
%a = alloca i8
|
|
%b = call i8* @foo23()
|
|
ret void
|
|
; CHECK-LABEL: test23:
|
|
; CHECK: call
|
|
; CHECK: movq %rdi, %rax
|
|
; CHECK: ret
|
|
}
|
|
|
|
declare i8* @foo23()
|