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-rw-r--r--llvm/test/CodeGen/PowerPC/kernel-fp-round.ll44
1 files changed, 44 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/kernel-fp-round.ll b/llvm/test/CodeGen/PowerPC/kernel-fp-round.ll
new file mode 100644
index 00000000000..b672712ca48
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/kernel-fp-round.ll
@@ -0,0 +1,44 @@
+; RUN: llc -simplify-mir -verify-machineinstrs -stop-after=finalize-isel \
+; RUN: -mtriple=powerpc64le-unknown-unknown -mattr=-vsx < %s | FileCheck %s
+; RUN: llc -simplify-mir -verify-machineinstrs -stop-after=finalize-isel \
+; RUN: -mtriple=powerpc-unknown-unknown -mcpu=pwr6 -mattr=-vsx < %s | \
+; RUN: FileCheck --check-prefix=CHECK-P6 %s
+; RUN: llc -simplify-mir -verify-machineinstrs -stop-after=finalize-isel \
+; RUN: -mtriple=powerpc64-unknown-unknown -mcpu=pwr6 -mattr=-vsx < %s | \
+; RUN: FileCheck --check-prefix=CHECK-P6-64 %s
+
+define float @test(float %a) {
+; CHECK: stack:
+; CHECK-NEXT: - { id: 0, size: 4, alignment: 4 }
+; CHECK: %2:f8rc = FCTIWZ killed %1, implicit $rm
+; CHECK: STFIWX killed %2, $zero8, %3
+; CHECK-NEXT: %4:f8rc = LFIWAX $zero8, %3 :: (load 4 from %stack.0)
+; CHECK-NEXT: %5:f4rc = FCFIDS killed %4, implicit $rm
+; CHECK-NEXT: $f1 = COPY %5
+; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm, implicit $f1
+
+; CHECK-P6: stack:
+; CHECK-P6-NEXT: - { id: 0, size: 4, alignment: 4 }
+; CHECK-P6: %2:f8rc = FCTIWZ killed %1, implicit $rm
+; CHECK-P6: STFIWX killed %2, $zero, %3
+; CHECK-P6-NEXT: %4:f8rc = LFIWAX $zero, %3 :: (load 4 from %stack.0)
+; CHECK-P6-NEXT: %5:f8rc = FCFID killed %4, implicit $rm
+; CHECK-P6-NEXT: %6:f4rc = FRSP killed %5, implicit $rm
+; CHECK-P6-NEXT: $f1 = COPY %6
+; CHECK-P6-NEXT: BLR implicit $lr, implicit $rm, implicit $f1
+
+; CHECK-P6-64: stack:
+; CHECK-P6-64-NEXT: - { id: 0, size: 4, alignment: 4 }
+; CHECK-P6-64: %2:f8rc = FCTIWZ killed %1, implicit $rm
+; CHECK-P6-64: STFIWX killed %2, $zero8, %3
+; CHECK-P6-64-NEXT: %4:f8rc = LFIWAX $zero8, %3 :: (load 4 from %stack.0)
+; CHECK-P6-64-NEXT: %5:f8rc = FCFID killed %4, implicit $rm
+; CHECK-P6-64-NEXT: %6:f4rc = FRSP killed %5, implicit $rm
+; CHECK-P6-64-NEXT: $f1 = COPY %6
+; CHECK-P6-64-NEXT: BLR8 implicit $lr8, implicit $rm, implicit $f1
+
+entry:
+ %b = fptosi float %a to i32
+ %c = sitofp i32 %b to float
+ ret float %c
+}
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