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Don't force promotion of return arguments on the callee.

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Some architectures (like x86) don't require it.
This fixes bug 3779.

llvm-svn: 67132
This commit is contained in:
Rafael Espindola 2009-03-17 23:43:59 +00:00
parent 7c9dba0950
commit 6a6d9e48dd
17 changed files with 37 additions and 38 deletions
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9
lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
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@ -979,15 +979,6 @@ void SelectionDAGLowering::visitRet(ReturnInst &I) {
for (unsigned j = 0, f = NumValues; j != f; ++j) {
MVT VT = ValueVTs[j];
// FIXME: C calling convention requires the return type to be promoted to
// at least 32-bit. But this is not necessary for non-C calling
// conventions.
if (VT.isInteger()) {
MVT MinVT = TLI.getRegisterType(MVT::i32);
if (VT.bitsLT(MinVT))
VT = MinVT;
}
unsigned NumParts = TLI.getNumRegisters(VT);
MVT PartVT = TLI.getRegisterType(VT);
SmallVector<SDValue, 4> Parts(NumParts);

4
test/CodeGen/CellSPU/and_ops.ll
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@ -1,7 +1,7 @@
; RUN: llvm-as -o - %s | llc -march=cellspu > %t1.s
; RUN: grep and %t1.s | count 234
; RUN: grep and %t1.s | count 230
; RUN: grep andc %t1.s | count 85
; RUN: grep andi %t1.s | count 37
; RUN: grep andi %t1.s | count 35
; RUN: grep andhi %t1.s | count 30
; RUN: grep andbi %t1.s | count 4

3
test/CodeGen/CellSPU/eqv.ll
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@ -1,8 +1,5 @@
; RUN: llvm-as -o - %s | llc -march=cellspu > %t1.s
; RUN: grep eqv %t1.s | count 18
; RUN: grep xshw %t1.s | count 6
; RUN: grep xsbh %t1.s | count 3
; RUN: grep andi %t1.s | count 3
; Test the 'eqv' instruction, whose boolean expression is:
; (a & b) | (~a & ~b), which simplifies to

2
test/CodeGen/CellSPU/icmp16.ll
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@ -1,5 +1,5 @@
; RUN: llvm-as -o - %s | llc -march=cellspu > %t1.s
; RUN: grep ilh %t1.s | count 5
; RUN: grep ilh %t1.s | count 15
; RUN: grep ceqh %t1.s | count 29
; RUN: grep ceqhi %t1.s | count 13
; RUN: grep clgth %t1.s | count 15

2
test/CodeGen/CellSPU/immed16.ll
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@ -1,5 +1,5 @@
; RUN: llvm-as -o - %s | llc -march=cellspu > %t1.s
; RUN: grep "ilh" %t1.s | count 5
; RUN: grep "ilh" %t1.s | count 11
target datalayout = "E-p:32:32:128-f64:64:128-f32:32:128-i64:32:128-i32:32:128-i16:16:128-i8:8:128-i1:8:128-a0:0:128-v128:128:128-s0:128:128"
target triple = "spu"

4
test/CodeGen/CellSPU/nand.ll
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@ -1,8 +1,6 @@
; RUN: llvm-as -o - %s | llc -march=cellspu > %t1.s
; RUN: grep nand %t1.s | count 90
; RUN: grep and %t1.s | count 94
; RUN: grep xsbh %t1.s | count 2
; RUN: grep xshw %t1.s | count 4
; RUN: grep and %t1.s | count 90
target datalayout = "E-p:32:32:128-f64:64:128-f32:32:128-i64:32:128-i32:32:128-i16:16:128-i8:8:128-i1:8:128-a0:0:128-v128:128:128-s0:128:128"
target triple = "spu"

1
test/CodeGen/CellSPU/or_ops.ll
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@ -1,5 +1,4 @@
; RUN: llvm-as -o - %s | llc -march=cellspu > %t1.s
; RUN: grep and %t1.s | count 2
; RUN: grep orc %t1.s | count 85
; RUN: grep ori %t1.s | count 30
; RUN: grep orhi %t1.s | count 30

2
test/CodeGen/CellSPU/shift_ops.ll
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@ -3,8 +3,6 @@
; RUN: grep {shlhi } %t1.s | count 3
; RUN: grep {shl } %t1.s | count 9
; RUN: grep {shli } %t1.s | count 3
; RUN: grep {xshw } %t1.s | count 5
; RUN: grep {and } %t1.s | count 5
; RUN: grep {andi } %t1.s | count 2
; RUN: grep {rotmi } %t1.s | count 2
; RUN: grep {rotqmbyi } %t1.s | count 1

10
test/CodeGen/CellSPU/stores.ll
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@ -6,13 +6,13 @@
; RUN: grep 771 %t1.s | count 4
; RUN: grep 515 %t1.s | count 2
; RUN: grep 1799 %t1.s | count 2
; RUN: grep 1543 %t1.s | count 5
; RUN: grep 1029 %t1.s | count 3
; RUN: grep 1543 %t1.s | count 3
; RUN: grep 1029 %t1.s | count 1
; RUN: grep {shli.*, 4} %t1.s | count 4
; RUN: grep stqx %t1.s | count 4
; RUN: grep ilhu %t1.s | count 11
; RUN: grep iohl %t1.s | count 8
; RUN: grep shufb %t1.s | count 15
; RUN: grep ilhu %t1.s | count 9
; RUN: grep iohl %t1.s | count 6
; RUN: grep shufb %t1.s | count 13
; RUN: grep frds %t1.s | count 1
; ModuleID = 'stores.bc'

4
test/CodeGen/CellSPU/struct_1.ll
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@ -3,8 +3,6 @@
; RUN: grep lqa %t1.s | count 5
; RUN: grep lqd %t1.s | count 11
; RUN: grep rotqbyi %t1.s | count 7
; RUN: grep xshw %t1.s | count 1
; RUN: grep andi %t1.s | count 5
; RUN: grep cbd %t1.s | count 3
; RUN: grep chd %t1.s | count 1
; RUN: grep cwd %t1.s | count 3
@ -14,8 +12,6 @@
; RUN: grep ilhu %t2.s | count 16
; RUN: grep lqd %t2.s | count 16
; RUN: grep rotqbyi %t2.s | count 7
; RUN: grep xshw %t2.s | count 1
; RUN: grep andi %t2.s | count 5
; RUN: grep cbd %t2.s | count 3
; RUN: grep chd %t2.s | count 1
; RUN: grep cwd %t2.s | count 3

2
test/CodeGen/X86/2007-08-10-SignExtSubreg.ll
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@ -1,4 +1,4 @@
; RUN: llvm-as < %s | llc -march=x86 | grep {movsbl}
; RUN: llvm-as < %s | llc -march=x86 | not grep {movsbl}
@X = global i32 0 ; <i32*> [#uses=1]

18
test/CodeGen/X86/20090313-signext.ll Normal file
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@ -0,0 +1,18 @@
; RUN: llvm-as < %s | llc -march=x86-64 > %t
; RUN: grep {movswl %ax, %edi} %t
; RUN: grep {movw x(%rip), %ax} %t
@x = common global i16 0
define signext i16 @f() nounwind {
entry:
%0 = tail call signext i16 @h() nounwind
%1 = sext i16 %0 to i32
tail call void @g(i32 %1) nounwind
%2 = load i16* @x, align 2
ret i16 %2
}
declare signext i16 @h()
declare void @g(i32)

2
test/CodeGen/X86/const-select.ll
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@ -10,7 +10,7 @@ entry:
ret float %iftmp.0.0
}
; RUN: llvm-as < %s | llc | grep {movsbl.*(%e.x,%e.x,4), %eax}
; RUN: llvm-as < %s | llc | grep {movb.*(%e.x,%e.x,4), %al}
define signext i8 @test(i8* nocapture %P, double %F) nounwind readonly {
entry:
%0 = fcmp olt double %F, 4.200000e+01 ; <i1> [#uses=1]

5
test/CodeGen/X86/isel-sink2.ll
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@ -1,5 +1,6 @@
; RUN: llvm-as < %s | llc -march=x86 | grep {movzbl.7(%...)}
; RUN: llvm-as < %s | llc -march=x86 | not grep leal
; RUN: llvm-as < %s | llc -march=x86 > %t
; RUN: grep {movb.7(%...)} %t
; RUN: not grep leal %t
define i8 @test(i32 *%P) nounwind {
%Q = getelementptr i32* %P, i32 1

3
test/CodeGen/X86/sext-trunc.ll
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@ -1,5 +1,6 @@
; RUN: llvm-as < %s | llc -march=x86 > %t
; RUN: grep movsbl %t
; RUN: grep movb %t
; RUN: not grep movsbl %t
; RUN: not grep movz %t
; RUN: not grep and %t

2
test/CodeGen/X86/tls11.ll
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@ -1,5 +1,5 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movzwl %gs:i@NTPOFF, %eax} %t
; RUN: grep {movw %gs:i@NTPOFF, %ax} %t
@i = thread_local global i16 15

2
test/CodeGen/X86/tls12.ll
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@ -1,5 +1,5 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movzbl %gs:i@NTPOFF, %eax} %t
; RUN: grep {movb %gs:i@NTPOFF, %al} %t
@i = thread_local global i8 15