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bdc6e663e7
This patch adds support for struct return values to the MSP430 target backend. It also reverses the order of argument and return registers in the calling convention to bring it into closer alignment with the published EABI from TI. Patch by Andrew Wygle (awygle). Differential Revision: https://reviews.llvm.org/D29069 llvm-svn: 296807
30 lines
1.3 KiB
LLVM
30 lines
1.3 KiB
LLVM
; RUN: llc -march=msp430 < %s | FileCheck %s
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@C.0.2070 = private constant [5 x i8*] [i8* blockaddress(@foo, %L1), i8* blockaddress(@foo, %L2), i8* blockaddress(@foo, %L3), i8* blockaddress(@foo, %L4), i8* blockaddress(@foo, %L5)] ; <[5 x i8*]*> [#uses=1]
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define internal i16 @foo(i16 %i) nounwind {
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entry:
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%tmp1 = getelementptr inbounds [5 x i8*], [5 x i8*]* @C.0.2070, i16 0, i16 %i ; <i8**> [#uses=1]
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%gotovar.4.0 = load i8*, i8** %tmp1, align 4 ; <i8*> [#uses=1]
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; CHECK: br .LC.0.2070(r12)
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indirectbr i8* %gotovar.4.0, [label %L5, label %L4, label %L3, label %L2, label %L1]
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L5: ; preds = %bb2
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br label %L4
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L4: ; preds = %L5, %bb2
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%res.0 = phi i16 [ 385, %L5 ], [ 35, %entry ] ; <i16> [#uses=1]
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br label %L3
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L3: ; preds = %L4, %bb2
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%res.1 = phi i16 [ %res.0, %L4 ], [ 5, %entry ] ; <i16> [#uses=1]
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br label %L2
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L2: ; preds = %L3, %bb2
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%res.2 = phi i16 [ %res.1, %L3 ], [ 1, %entry ] ; <i16> [#uses=1]
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br label %L1
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L1: ; preds = %L2, %bb2
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%res.3 = phi i16 [ %res.2, %L2 ], [ 2, %entry ] ; <i16> [#uses=1]
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ret i16 %res.3
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}
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